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GASTRIC BALLOON, CT SCANS

Computed tomography (CT) scans in frontal (left) and transverse section (right) through the abdomen of a 43 year old obese female patient after bariatric treatment. On the right image, an intragastric balloon (dark grey circle, upper centre) is positioned in the bottom of the gastric pouch (top of the stomach). This treatment is used to fill the stomach to make you feel fuller and eat less. Air is also seen in the upper part of the stomach (black area to right of balloon). (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

HEALTHY KIDNEYS, 3D CT ANGIOGRAM

Coloured 3D computed tomography (CT) angiogram in side view of a 65 year old male patient with healthy renal arteries and kidneys. The aorta, the body's main artery runs down centre, with the renal arteries branching from it at centre. Calcium atherosclerotic plaques in the sub-renal aorta are also seen. .. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

BRAIN BLOOD SUPPLY, 3D CT SCAN

Coloured 3D angio computed tomography (CT) scan showing blood supply from the internal carotid artery (pink). The veins that drain blood away from the brain are seen in green. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

FRACTURED SPINE VERTEBRA, CT SCAN

Fractured spine vertebra. Coloured axial computed tomography (CT) scan through a fractured T11 thoracic vertebra in the thoracic spine of a 27-year-old patient female who was in a road accident. The fracture is in the body of the vertebra. Chance fractures involve all 3 columns of the spine and result from flexion-distraction injuries. They commonly occur at the thoracolumbar junction and often associated with a seat belt injury in car accidents. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

GASTRIC BALLOON, CT SCAN

Coloured axial computed tomography (CT) scan through the abdomen of a 43 year old obese female patient after bariatric treatment. An intragastric balloon (dark blue circle, upper centre) is positioned in the bottom of the gastric pouch (top of the stomach). This treatment is used to fill the stomach to make you feel fuller and eat less. Air is also seen in the upper part of the stomach (black area to right of balloon). (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

GASTRIC BALLOON, CT SCANS

Coloured computed tomography (CT) scans in frontal (left) and transverse section (right) through the abdomen of a 43 year old obese female patient after bariatric treatment. On the right scan, an intragastric balloon (dark grey circle, upper centre) is positioned in the bottom of the gastric pouch (top of the stomach). This treatment is used to fill the stomach to make you feel fuller and eat less. Air is also seen in the upper part of the stomach (black area to right of balloon). (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

HEALTHY KIDNEYS, 3D CT SCAN

Coloured 3D computed tomography (CT) of a 53 year old patient with healthy renal arteries and kidneys. The aorta, the body's main artery runs down centre, with the renal arteries branching from it at centre. Calcium atherosclerotic plaques in the sub-renal aorta are also seen. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

THORACIC SPINE VERTEBRAE, CT SCAN

3D computed tomography (CT) scan of a thoracolumbar spine, in right and left profile views of a 27-year-old female patient subject to a road accident. There is a Chance fracture of the T11 thoracic vertebra (moderate vertebral compression with an outline of cuneoforming of the vertebral body with a right anterolateral transverse fracture over the entire vertebral body T11). (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

THORACIC SPINE FRACTURE, CT SCAN

Coloured computed tomography (CT) scan of the thoracic spine of a 30-year-old female patient who had a paragliding accident. The scan shows the presence of a Chance fracture of the T12 thoracic vertebra with moderate vertebral compression. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

BRAIN ABSCESS, CT SCAN

Computed tomography (CT) scan of an axial section through the brain of a 30 year old patient with a left frontal cerebral abscess (white, circular). An abscess is a collection of pus in response to infection. The abscess has been highlighted by injected iodine. Surrounding the abscess is an area of edema (bright white area, right). (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

HEALTHY KIDNEYS, 3D CT ANGIOGRAM

Coloured 3D computed tomography (CT) angiogram of a 65 year old male patient with healthy renal arteries and kidneys. The aorta, the body's main artery runs down centre, with the renal arteries branching from it at centre. Calcium atherosclerotic plaques in the sub-renal aorta are also seen. .. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, CT SCAN

Coloured computed tomography (CT) angiogram of a 61 year old patient with a thoracic aortic aneurysm. An aortic aneurysm is a swelling of the aorta, usually due to an underlying weakness in the wall of the artery. This may lead to rupture, causing severe pain, massive internal haemorrhage (bleeding), and, if left untreated, death. The size of the aneurysm is shown in millimetres on the scan. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

BRAIN ABSCESS, CT SCAN

Coloured computed tomography (CT) scan of an axial section through the brain of a 30 year old patient with a cerebral abscess. An abscess is a collection of pus in response to infection. The abscess has been highlighted by injected iodine. Surrounding the abscess is an area of edema. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

CEREBRAL ARTERIOVENOUS MALFORMATION, CT SCAN

Cerebral computed tomography (CT) angiogram of the skull and brain of a 35 year old male patient who has an arteriovenous malformation (AVM) in his brain. An AVM is an abnormal blood vessel arrangement. This AVM is present in the brain's parietal area in the region supplied by the right internal carotid artery. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

SUBDURAL HEMATOMA, CT SCANS

Axial CT scans of a 27 year old with a subdural haematoma after a road accident. A haematoma is a localised collection of blood outside of the blood vessels. Subdural haematomas are a form of haematoma where blood collects between the brain and the dura mater - the outermost of the three meninges membranes that surround the brain. They are usually associated with traumatic brain injury... (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

THORACIC SPINE FRACTURE, X-RAY AND CT SCAN

X-ray (left) and computed tomography (CT) scan (right) of a fractured thoracic vertebra in a 30 year old patient who had a paragliding accident. There is a Chance fracture is in the T12 vertebra. Chance fractures involve all 3 columns of the spine and result from flexion-distraction injuries. They commonly occur at the thoracolumbar junction and often associated with a seat belt injury in car accidents. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

HEALTHY KIDNEYS, 3D CT ANGIOGRAM

Coloured 3D computed tomography (CT) angiogram of a 65 year old male patient with healthy renal arteries and kidneys. The aorta, the body's main artery runs down centre, with the renal arteries branching from it at centre. Calcium atherosclerotic plaques in the sub-renal aorta are also seen. .. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

HEALTHY KIDNEYS, 3D CT ANGIOGRAM

Coloured 3D computed tomography (CT) angiogram of a 65 year male old patient with healthy renal arteries and kidneys. The aorta, the body's main artery runs down centre, with the renal arteries branching from it at centre. Calcium atherosclerotic plaques in the sub-renal aorta are also seen. .. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

MERKEL CANCER, CT SCAN

Computed tomography (CT) scan in axial section through the head of a 52 year old male patient, showing a large Merkel tumour (cancer) on the head outside the brain in the fronto-temporo-pariental region. Merkel cell carcinoma is a rare aggressive type of skin cancer that occurs in hair follicles. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

THORACIC SPINE, CT SCAN

Computed tomography (CT) scan of the thoracic spine of a 30-year-old patient who had a paragliding accident. The scan shows the presence of a Chance fracture of the T12 thoracic vertebra with moderate vertebral compression. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

THORACIC SPINE FRACTURE, X-RAY AND CT SCAN

X-ray (left) and computed tomography (CT) scan (right) of a fractured thoracic vertebra in a 30 year old patient who had a paragliding accident. There is a Chance fracture in the T12 vertebra. Chance fractures involve all 3 columns of the spine and result from flexion-distraction injuries. They commonly occur at the thoracolumbar junction and often associated with a seat belt injury in car accidents. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

FRACTURED SPINE VERTEBRA, CT SCAN

Fractured spine vertebra. Axial computed tomography (CT) scan through a fractured T11 thoracic vertebra in the thoracic spine of a 27-year-old patient who was in a road accident. The fracture is in the body of the vertebra. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, CT SCAN

Coloured computed tomography (CT) scan of the thoracic aorta of a 68-year-old female patient with cardiac failure. At centre, the ascending thoracic aorta is bulging, a condition known as an aneurysm. If left untreated, the blood vessel can rupture. Risk factors for aneurysm include smoking, high blood pressure, infection and atherosclerosis (hardening of the arteries). The scan also shows the presence of atherosclerotic plaques over the thoracic aorta. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, CT SCAN

Coloured computed tomography (CT) angiogram of a 61 year old patient with a thoracic aortic aneurysm. An aortic aneurysm is a swelling of the aorta, usually due to an underlying weakness in the wall of the artery. This may lead to rupture, causing severe pain, massive internal haemorrhage (bleeding), and, if left untreated, death. The size of the aneurysm is shown on the scan in millimetres. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

OSTEOMA, CT SCAN

Computed tomography (CT) scan of the skull of a 67 year old female patient. The scan shows bone condensation with an osteoma of the frontal bone. Osteomas are benign (non-cancerous) bone growths (tumours) thought to be caused by damage or 'misuse' of the surrounding joints. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

GASTRIC BALLOON, CT SCAN

Axial computed tomography (CT) scan through the abdomen of a 43 year old female obese patient after bariatric treatment. An intragastric balloon (dark grey circle, upper centre) is positioned in the bottom of the gastric pouch (top of the stomach). This treatment is used to fill the stomach to make you feel fuller and eat less. Air is also seen in the upper part of the stomach (black area to right of balloon). (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

HEALTHY KIDNEYS, 3D CT ANGIOGRAM

Coloured 3D computed tomography (CT) angiogram of a 65 year old male patient with healthy renal arteries and kidneys. The aorta, the body's main artery runs down centre, with the renal arteries branching from it at centre. Calcium atherosclerotic plaques in the sub-renal aorta are also seen. .. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

SUBDURAL HEMATOMA, CT SCANS

Axial CT scans of a 27 year old with a subdural haematoma after a road accident. A haematoma is a localised collection of blood outside of the blood vessels. Subdural haematomas are a form of haematoma where blood collects between the brain and the dura mater - the outermost of the three meninges membranes that surround the brain. They are usually associated with traumatic brain injury. .. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

THORACIC SPINE FRACTURE, CT SCAN

Computed tomography (CT) scan of the spine of a 30-year-old female patient subject to a paragliding accident. The scan shows a Chance fracture of the T12 thoracic vertebra. Chance fractures involve all 3 columns of the spine and result from flexion-distraction injuries. They commonly occur at the thoracolumbar junction and often associated with a seat belt injury in car accidents. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

HEALTHY KIDNEYS, 3D CT ANGIOGRAM

Coloured 3D computed tomography (CT) angiogram in side view of a 65 year old male patient with healthy renal arteries and kidneys. The aorta, the body's main artery runs down centre, with the renal arteries branching from it at centre. Calcium atherosclerotic plaques in the sub-renal aorta are also seen. .. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

FRACTURED SPINE VERTEBRA, CT SCAN

Fractured spine vertebra. Coloured axial computed tomography (CT) scan through a fractured T11 thoracic vertebra in the thoracic spine of a 27-year-old female patient who was in a road accident. The fracture is in the body of the vertebra. Chance fractures involve all 3 columns of the spine and result from flexion-distraction injuries. They commonly occur at the thoracolumbar junction and often associated with a seat belt injury in car accidents. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, CT ANGIOGRAM

3D CT angiogram (left) and 2D CT angiogram (right) of a 64-year-old patient showing the presence of a large spindle-shaped aneurysm of the ascending thoracic aorta, measuring 53 mm. An aneurysm is a blood-filled dilation in a blood vessel wall. It is caused by a weakening of the vessel wall, which may be caused by hardening of the vessel (atherosclerosis), high blood pressure or injury. If left untreated an aneurysm can rupture, which is often fatal. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

HEALTHY KIDNEYS, 3D CT ANGIOGRAM

Coloured 3D computed tomography (CT) angiogram of a 65 year old male patient with healthy renal arteries and kidneys. The aorta, the body's main artery runs down centre, with the renal arteries branching from it at centre. Calcium atherosclerotic plaques in the sub-renal aorta are also seen. .. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, 3D CT ANGIOGRAM SCAN

3D computed tomography (CT) angiogram scan of a 64-year-old male patient with the presence of a large fusiform aneurysm of the ascending thoracic aorta. An aneurysm is a blood-filled dilation in a blood vessel wall. It is caused by a weakening of the vessel wall, which may be caused by hardening of the vessel (atherosclerosis), high blood pressure or injury. If left untreated an aneurysm can rupture, which is often fatal..... (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, CT SCAN

Coloured computed tomography (CT) scan of the thoracic aorta of a 68-year-old female patient with cardiac failure. At centre, the ascending thoracic aorta is bulging, a condition known as an aneurysm. If left untreated, the blood vessel can rupture. Risk factors for aneurysm include smoking, high blood pressure, infection and atherosclerosis (hardening of the arteries). The scan also shows the presence of atherosclerotic plaques over the thoracic aorta. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

GASTRIC BALLOON, CT SCANS

Coloured computed tomography (CT) scans in frontal (left) and transverse section (right) through the abdomen of a 43 year old obese female patient after bariatric treatment. On the right scan, an intragastric balloon (dark grey circle, upper centre) is positioned in the bottom of the gastric pouch (top of the stomach). This treatment is used to fill the stomach to make you feel fuller and eat less. Air is also seen in the upper part of the stomach (black area to right of balloon). (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

GASTRIC BALLOON, CT SCAN

Coloured axial computed tomography (CT) scan through the abdomen of a 43 year old obese patient after bariatric treatment. An intragastric balloon (dark orange circle, upper centre) is positioned in the bottom of the gastric pouch (top of the stomach). This treatment is used to fill the stomach to make you feel fuller and eat less. Air is also seen in the upper part of the stomach (black area to right of balloon). (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

HEALTHY KIDNEYS, 3D CT ANGIOGRAM

Coloured 3D computed tomography (CT) angiogram of a 65 year old male patient with healthy renal arteries and kidneys. The aorta, the body's main artery runs down centre, with the renal arteries branching from it at centre. Calcium atherosclerotic plaques in the sub-renal aorta are also seen. .. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, CT SCAN

Computed tomography (CT) angiogram of a 61 year old patient with a thoracic aortic aneurysm measuring 82.1mm. An aortic aneurysm is a swelling of the aorta, usually due to an underlying weakness in the wall of the artery. This may lead to rupture, causing severe pain, massive internal haemorrhage (bleeding), and, if left untreated, death. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, CT SCAN

Computed tomography (CT) scan of the thoracic aorta of a 68-year-old female patient with cardiac failure. At centre, the ascending thoracic aorta is bulging, a condition known as an aneurysm. If left untreated, the blood vessel can rupture. Risk factors for aneurysm include smoking, high blood pressure, infection and atherosclerosis (hardening of the arteries). The scan also shows the presence of atherosclerotic plaques over the thoracic aorta. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, CT ANGIOGRAM

2D aortothoracic computed tomography (CT) angiogram parallel to the aortic sigmoid valve plane, in a 64-year-old patient with a large fusiform aneurysm of the ascending thoracic aorta. An aneurysm is a blood-filled dilation in a blood vessel wall. It is caused by a weakening of the vessel wall, which may be caused by hardening of the vessel (atherosclerosis), high blood pressure or injury. If left untreated an aneurysm can rupture, which is often fatal. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

THORACIC SPINE FRACTURE, 3D CT SCAN

3D computed tomography (CT) scan of the traumatic thoracolumbar spine, of a 27-year-old female patient subject to a road accident. There is a Chance fracture of the T11 thoracic vertebra with a moderate vertebral compression. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

CEREBRAL ARTERIOVENOUS MALFORMATION, CT ANGIOGRAM

Coloured cerebral computed tomography (CT) angiogram of the skull and brain of a 35 year old male patient who has an arteriovenous malformation (AVM) in his brain. An AVM is an abnormal blood vessel arrangement. This AVM is present in the brain's parietal area in the region supplied by the right internal carotid artery. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

HEALTHY KIDNEYS, 3D CT SCAN

Coloured 3D computed tomography (CT) angiogram of a 65 year old male patient with healthy renal arteries and kidneys. The aorta, the body's main artery runs down centre, with the renal arteries branching from it at centre. Calcium atherosclerotic plaques in the sub-renal aorta are also seen..... (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, 2D CT ANGIOGRAM SCAN

Computed tomography (CT) angiogram of a 64-year-old male patient showing a large fusiform aneurysm of the ascending thoracic aorta measuring 53 mm maximum. The tricuspid valve (24mm) and the sinotubular junction (36mm) are seen. The presence of a calcified tricuspid aortic valve is also seen. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, CT ANGIOGRAM

3D computed tomography (CT) angiogram (left) and 2D CT angiogram (right) of a 64-year-old male patient showing the presence of a large spindle-shaped aneurysm of the ascending thoracic aorta, measuring 53 mm. An aneurysm is a blood-filled dilation in a blood vessel wall. It is caused by a weakening of the vessel wall, which may be caused by hardening of the vessel (atherosclerosis), high blood pressure or injury. If left untreated an aneurysm can rupture, which is often fatal. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

ASCENDING THORACIC AORTIC ANEURYSM, CT SCAN

Computed tomography (CT) angiogram of a 55 year old patient with an ascending thoracic aortic aneurysm. An aortic aneurysm is a swelling of the aorta, usually due to an underlying weakness in the wall of the artery. This may lead to rupture, causing severe pain, massive internal haemorrhage (bleeding), and, if left untreated, death. The patient was treated for aortic valvular stenosis, 17 years earlier. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, 2D CT ANGIOGRAM

Computed tomography (CT) angiogram of a 64-year-old patient showing a large fusiform aneurysm of the ascending thoracic aorta measuring 53 mm maximum. The tricuspid valve (24mm) and the sinotubular junction (36mm). The presence of a calcified tricuspid aortic valve is also seen. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

HEALTHY KIDNEYS, 3D CT ANGIOGRAM

Coloured 3D computed tomography (CT) angiogram of a 65 year old male patient with healthy renal arteries and kidneys. The aorta, the body's main artery runs down centre, with the renal arteries branching from it at centre. Calcium atherosclerotic plaques in the sub-renal aorta are also seen. .. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

BRAIN ABSCESS, CT SCAN

Computed tomography (CT) scan of an axial section through the brain of a 30 year old patient with a cerebral abscess. An abscess is a collection of pus in response to infection. The abscess has been highlighted by injected iodine. Surrounding the abscess is an area of edema. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

THORACIC SPINE FRACTURE, CT SCAN

Computed tomography (CT) image of the spine of a 30-year-old patient subject to a paragliding accident. The scan shows a Chance fracture of the T12 thoracic vertebra. Chance fractures involve all 3 columns of the spine and result from flexion-distraction injuries. They commonly occur at the thoracolumbar junction and often associated with a seat belt injury in car accidents. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, 3D CT ANGIOGRAM

3D computed tomography (CT) angiogram of a 64-year-old male patient showing a large fusiform aneurysm of the ascending thoracic aorta. An aneurysm is a blood-filled dilation in a blood vessel wall. It is caused by a weakening of the vessel wall, which may be caused by hardening of the vessel (atherosclerosis), high blood pressure or injury. If left untreated an aneurysm can rupture, which is often fatal... (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, 3D CT ANGIOGRAM SCAN

3D computed tomography (CT) angiogram scan of a 53-year-old patient showing the presence of a large fusiform aneurysm of the ascending thoracic aorta and of the aortic arch. An aneurysm is a blood-filled dilation in a blood vessel wall. It is caused by a weakening of the vessel wall, which may be caused by hardening of the vessel (atherosclerosis), high blood pressure or injury. If left untreated an aneurysm can rupture, which is often fatal. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, 3D CT SCAN

3D computed tomography (CT) angiogram scan of a 53-year-old male patient showing the presence of a large fusiform aneurysm of the ascending thoracic aorta and of the aortic arch. An aneurysm is a blood-filled dilation in a blood vessel wall. It is caused by a weakening of the vessel wall, which may be caused by hardening of the vessel (atherosclerosis), high blood pressure or injury. If left untreated an aneurysm can rupture, which is often fatal. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

NORMAL BRAIN AND SKULL, COMPOSITE 3D CT AND MRI SCAN

Composite 3D computed tomography (CT) scans and MRI of a normal brain and skull showing a healthy brain with a normal cerebral arterial tree and internal venous drainage. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

THORACIC SPINE FRACTURE, CT SCAN

Computed tomography (CT) scan of the spine of a 30-year-old female patient subject to a paragliding accident. The scan shows a Chance fracture of the T12 thoracic vertebra. Chance fractures involve all 3 columns of the spine and result from flexion-distraction injuries. They commonly occur at the thoracolumbar junction and often associated with a seat belt injury in car accidents. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

SUBDURAL HEMATOMA, CT SCAN

CT scan of a 27 year old with a subdural haematoma after a road accident. A haematoma is a localised collection of blood outside of the blood vessels. Subdural haematomas are a form of haematoma where blood collects between the brain and the dura mater - the outermost of the three meninges membranes that surround the brain. They are usually associated with traumatic brain injury... (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

AORTIC ANEURYSM, CT ANGIOGRAM

2D aortothoracic computed tomography (CT) angiogram parallel to the aortic sigmoid valve plane, in a 64-year-old male patient with a large fusiform aneurysm of the ascending thoracic aorta. An aneurysm is a blood-filled dilation in a blood vessel wall. It is caused by a weakening of the vessel wall, which may be caused by hardening of the vessel (atherosclerosis), high blood pressure or injury. If left untreated an aneurysm can rupture, which is often fatal. (KEYSTONE/SCIENCE PHOTO LIBRARY/ZEPHYR)

00X240315D032CARO

15.03.2024, Buenos Aires, Argentinien - Containerschiff wird im Hafen, hier am Kai Dock Sud geloescht, Seecontainer werden entladen. Das Containerschiff Cisnes, gebaut 2015, faehrt unter der Flagge von Liberia. Der Hafen von Buenos Aires ist der wichtigste des Landes. Er geht in ein beeindruckendes Flusssystem ueber, ueber welches Schiffe nach Uruguay, Paraguay und in das nahe gelegene Brasilien gelangen. Heute ist das Flusssystem ein bedeutendes Verteilerzentrum fuer ganz Suedamerika. Im Hafen gibt es fuenf Docks. 00X240315D032CARO (KEYSTONE/CARO/Rupert Oberhaeuser)

FRONTOTEMPORAL DEMENTIA, MRI AND CT SCANS

Combined coloured magnetic resonance imaging (MRI) and computed tomography (CT) scans showing the brain of a 90 year old man with advanced frontotemporal dementia. This is a condition in which clumps of abnormal proteins form in the frontotemporal (front and side) brain, leading to cell death and brain atrophy (pink). Dementia leads to the deterioration of mental abilities, unusual or irrational behaviour and memory loss. This form particularly affects the ability to produce and comprehend speech, but memory loss tends to occur at a later stage than in more common forms of dementia. There is currently no cure nor means of slowing the progression of dementia, but therapy may be offered to help with speech and movement. (KEYSTONE/SCIENCE PHOTO LIBRARY/DR P. MARAZZI)

FRONTOTEMPORAL DEMENTIA, MRI AND CT SCANS

Combined coloured magnetic resonance imaging (MRI) and computed tomography (CT) scans showing the brain of a 90 year old man with advanced frontotemporal dementia. This is a condition in which clumps of abnormal proteins form in the frontotemporal (front and side) brain, leading to cell death and brain atrophy (yellow). Dementia leads to the deterioration of mental abilities, unusual or irrational behaviour and memory loss. This form particularly affects the ability to produce and comprehend speech, but memory loss tends to occur at a later stage than in more common forms of dementia. There is currently no cure nor means of slowing the progression of dementia, but therapy may be offered to help with speech and movement. (KEYSTONE/SCIENCE PHOTO LIBRARY/DR P. MARAZZI)

FRONTOTEMPORAL DEMENTIA, MRI AND CT SCANS

Combined coloured magnetic resonance imaging (MRI) and computed tomography (CT) scans showing the brain of a 90 year old man with advanced frontotemporal dementia. This is a condition in which clumps of abnormal proteins form in the frontotemporal (front and side) brain, leading to cell death and brain atrophy (red). Dementia leads to the deterioration of mental abilities, unusual or irrational behaviour and memory loss. This form particularly affects the ability to produce and comprehend speech, but memory loss tends to occur at a later stage than in more common forms of dementia. There is currently no cure nor means of slowing the progression of dementia, but therapy may be offered to help with speech and movement. (KEYSTONE/SCIENCE PHOTO LIBRARY/DR P. MARAZZI)

FRONTOTEMPORAL DEMENTIA, MRI AND CT SCANS

Combined coloured magnetic resonance imaging (MRI) and computed tomography (CT) scans showing the brain of a 90 year old man with advanced frontotemporal dementia. This is a condition in which clumps of abnormal proteins form in the frontotemporal (front and side) brain, leading to cell death and brain atrophy (white). Dementia leads to the deterioration of mental abilities, unusual or irrational behaviour and memory loss. This form particularly affects the ability to produce and comprehend speech, but memory loss tends to occur at a later stage than in more common forms of dementia. There is currently no cure nor means of slowing the progression of dementia, but therapy may be offered to help with speech and movement. (KEYSTONE/SCIENCE PHOTO LIBRARY/DR P. MARAZZI)

AORTIC DISSECTION, CT SCAN

3D coloured computed tomography (CT) scan of the heart (top), kidneys (left and right centre) and aorta (main artery, large red tube descending from heart) showing aortic dissection. An aortic dissection, or tear in the aorta, typically occurs when the inner layer of the artery's wall weakens. Left untreated, the tear can enlarge allowing blood to pass through the tear into the middle layer of the artery wall, causing the layers to separate from one another (dissect). This can lead to the formation of a new channel, called a false lumen (green), between the two layers. The false lumen disrupts blood flow to the rest of the body, which can cause severe pain, shortness of breath, dizziness and a loss of vision. Aortic dissection can be fatal if left untreated. Treatment options include medication and surgery. (KEYSTONE/SCIENCE PHOTO LIBRARY/K H FUNG)