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A tumor of the posterior fossa is a mass that develops in the back part of the brain near the base of the skull. These tumors can affect structures such as the cerebellum, brainstem, and cranial nerves, leading to symptoms like headaches, balance problems, and changes in vision or hearing. Treatment typically involves surgery, radiation therapy, and/or chemotherapy.
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What is meaning of 'the posterior fossa is unremarkable'?
When a radiologist says the posterior fossa is unremarkable it means that everything looks normal. Posterior means back, fossa is an anatomical pit of the skull, and unremarkable means nothing stands out as being different.
What is the posterior fossa?
A small, hollow section between the lower cerebellum and skull
Can fossa swim?
the fossa's paws help the fossa to swim the paws are like paddleds
What is a baby fossa called?
A baby fossa is called a kit or a cub.
What is the name of the fossa that articulates with the humerus?
The fossa that articulates with the humerus is called the glenoid fossa, located on the scapula bone. This fossa forms the shoulder joint, known as the glenohumeral joint, which allows for a wide range of motion of the arm.
What is meaning of 'the posterior fossa is unremarkable'?
When a radiologist says the posterior fossa is unremarkable it means that everything looks normal. Posterior means back, fossa is an anatomical pit of the skull, and unremarkable means nothing stands out as being different.
Where on the body is the cubital fossa?
The cubital fossa is the depression located on your anterior elbow. The popliteal fossa is on the posterior aspect of the knee.
Fossa on distal posterior surface of humerus?
The fossa on the distal posterior surface of the humerus is the olecranon fossa. It is located above the trochlea and accommodates the olecranon process of the ulna when the elbow is extended. It helps to increase the range of motion of the elbow joint.
Where is the posterior antecubital fossa?
It is the small depression inside the bend of the elbow.
What bones make up posterior cranial fossa?
The Occipial bone.
Where does the cerebellum lie?
in the posterior cranial fossa (below the occipital lobe of cerebrum)
What is the posterior fossa?
A small, hollow section between the lower cerebellum and skull
Is the subscapular fossa located anterior or posterior to the supraspinatus and infraspinarus fossae?
The subscapular fossa is located anterior to the supraspinatus and infraspinatus fossae on the scapula.
Where is the intercondylar fossa located?
between the condyles on the distal end of the femur, on its posterior aspect.
Posterior fossa tumor?
DefinitionPosterior fossa tumor is a type of brain tumor located in or near the bottom of the skull.Alternative NamesInfratentorial brain tumors; Brainstem gliomaCauses, incidence, and risk factorsThe posterior fossa is a small space in the skull, found near the brain stem and cerebellum. The cerebellum is the part of the brain responsible for movement, balance, and coordination.If a tumor grows in the area of the posterior fossa, it can block the flow of spinal fluid and cause increased pressure on the brain and spinal cord.Most tumors of the posterior fossa are primary brain cancers, which start in the brain, rather than spreading from elsewhere in the body.There are no known cause or risk factors associated with a posterior fossa tumor.SymptomsSymptoms occur very early with posterior fossa tumors and may include:Ataxia(uncoordinated gait)DrowsinessHeadacheImbalanceNauseaVomitingSymptoms from posterior fossa tumors also occur when the tumor damages local structures, such as cranial nerves. Symptoms of cranial nerve damage include:Dilated pupilsEye deviationsFacial muscle weaknessHearing lossLoss of sensation of part of the faceTaste disturbancesUnsteadiness when walkingVisual field deficitsSigns and testsDiagnosis is based on thorough history and physical examination, followed by imaging tests. The best way to look at the posterior fossa is with an MRI scan. CT scans are usually not helpful.The following procedures may be used to remove a piece of tissue from the tumor to help with diagnosis:Open brain surgery, called a posterior craniotomyStereotactic biopsyTreatmentMost tumors of the posterior fossa are surgically removed, even if they are noncancerous. There is limited space in the brain area, and the tumor can press on delicate structures if it grows.Occasionally, depending on the type of tumor and the size of it, postoperative radiation treatment is also used.Support GroupsThe stress of illness may be eased by joining a support group whose members share common experiences and problems.Expectations (prognosis)Prognosis depends on early detection. Complete obstruction to the flow of spinal fluid causes herniation and death. If tumors are recognized before this point, surgery is associated with good, long-term survival.ComplicationsCranial nerve palsiesHerniationHydrocephalusIncreased intracranial pressureCalling your health care providerCall your health care provider if you notice consistent headaches that are accompanied by nausea, vomiting, or visual changes.ReferencesMaity A, Pruitt AA, Judy KD, Phillips PC, Lustig R. Cancer of the central nervous system. In: Abeloff MD, Armitage JO, Niederhuber JE, Kastan MB, McKenna WG, eds. Abeloff's Clinical Oncology. 4th ed. Philadelphia, Pa: Elsevier Churchill Livingstone; 2008:chap 70.Wilne S, Collier J, Kennedy C, Koller K, Grundy R, Walker D. Presentation of childhood CNS tumours: a systematic review and meta-analysis. Lancet Oncol. 2007;8(8):685-695.
What is a hypodense lesion within the lateral left posterior fossa in brain?
A hypodense lesion within the lateral left posterior fossa in the brain indicates an area that appears darker on imaging studies like CT scans, suggesting lower density compared to surrounding tissue. This finding may be due to various underlying causes such as a tumor, cyst, abscess, or hemorrhage, and further evaluation is often needed to determine the exact nature and significance of the lesion.
Bone that contains the olecranon fossa?
The bone that contains the olecranon fossa is the humerus, which is located in the upper arm. The olecranon fossa is a depression on the posterior side of the humerus that accommodates the olecranon process of the ulna when the arm is extended.
