Search results
Results from the WOW.Com Content Network
An oncocytoma is a tumor made up of oncocytes, epithelial cells characterized by an excessive amount of mitochondria, resulting in an abundant acidophilic, granular cytoplasm. [ 1 ] [ 2 ] The cells and the tumor that they compose are often benign but sometimes may be premalignant or malignant .
Oncocytes (left of image), as seen in a renal oncocytoma. H&E stain. An oncocyte is an epithelial cell characterized by an excessive number of mitochondria, resulting in an abundant acidophilic, granular cytoplasm. Oncocytes can be benign or malignant.
Paranasal sinus and nasal cavity cancer is a type of cancer that is caused by the appearance and spread of malignant cells into the paranasal sinus and nasal cavity.The cancer most commonly occurs in people between 50 and 70 years old, and occurs twice as often in males as in females. [3]
What’s the right way to treat a runny nose? Start with the simplest solution: a steamy shower. The steam can deliver some much-needed moisture to your sinus passages.
A new CDC report details risk factors for developing severe flu. People hospitalized with the virus over the past 13 years were more likely to have at least one of these risk factors.
Gross examination of a kidney (right of image) with a renal oncocytoma (left of image).. Gross processing, "grossing" or "gross pathology" is the process by which pathology specimens undergo examination with the bare eye to obtain diagnostic information, as well as cutting and tissue sampling in order to prepare material for subsequent microscopic examination.
A rhinolith (from rhino- 'nose' and -lith 'stone') is a stone present in the nasal cavity. It is an uncommon medical phenomenon, not to be confused with dried nasal mucus. A rhinolith usually forms around the nucleus of a small exogenous foreign body, blood clot or secretion by slow deposition of calcium and magnesium carbonate and phosphate ...
A neurosurgeon or an otolaryngologist, using an endoscope that is entered through the nose, fixes or removes brain defects or tumors in the anterior skull base. Normally an otolaryngologist performs the initial stage of surgery through the nasal cavity and sphenoid bone ; a neurosurgeon performs the rest of the surgery involving drilling into ...