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Cholesteatoma is a destructive and expanding growth consisting of keratinizing squamous epithelium in the middle ear and/or mastoid process. [1] [2] Cholesteatomas are not cancerous as the name may suggest, but can cause significant problems because of their erosive and expansile properties.
Laryngeal cancer is a kind of cancer that can develop in any part of the larynx (voice box). It is typically a squamous-cell carcinoma , reflecting its origin from the epithelium of the larynx. The prognosis is affected by the location of the tumour.
A hematoxylin and eosin stained intermediate power showing an infiltrating tumor with glandular and neuroendocrine features in a neuroendocrine adenoma of the middle ear. At the time of surgery, the tumor tends to peel away from the adjacent bones, although not the ossicles. It is usually fragmented, soft, rubbery and white to gray-tan.
The most common early symptoms of these intracanalicular (IAC) VSs are gradual hearing loss and a feeling of fullness in the affected ear, some imbalance or dizziness, and tinnitus (ringing or other noise in the ear). [13] Gradual single-sided hearing loss in the high frequencies is the first most obvious symptom for the great majority of ...
A brain scan shows the white mass of a solid tumour on the left (UCLA) Researchers from the Chinese Academy of Scientists found that a common blood pressure medicine, amlodipine besylate, has ...
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One’s biological age, which measures the body’s physiological state, may help predict who is at risk for developing colon polyps, a known risk factor for colorectal cancer.
At one time, periungual angiofibromas were regarded as a type of acral angiofibroma (see above description). [14] Acral refers to distal sites of the ears, nose, hands, fingers, feet, and toes. Acral angifibromeae occur primarily in areas close to the nails of fingers and toes (~80% of cases) [ 28 ] or, less commonly, palms of the hands or ...