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Glomus tympanicum and Glomus jugulare, also known as jugulotympanic paraganglioma: Both commonly present as a middle ear mass resulting in tinnitus (in 80%) and hearing loss (in 60%). The cranial nerves of the jugular foramen may be compressed, resulting swallowing difficulty, or ipsilateral weakness of the upper trapezius and ...
A glomus tumor (also known as a "solitary glomus tumor" [1]) is a rare neoplasm arising from the glomus body and mainly found under the nail, on the fingertip or in the foot. [2]: 670 They account for less than 2% of all soft tissue tumors. [3] The majority of glomus tumors are benign, but they can also show malignant features. [4]
These tumors can develop on the skin, subcutaneously, or on a blood vessel within an organ and are highly malignant. The tumors are most fatal when they rupture, causing the dog to suffer from severe loss of blood, or hypovolemia. [6] Dogs are one of three mammalian species that are known to suffer from a transmissible cancer. [7]
Glomus jugulare tumor: A glomus jugulare tumor is a tumor of the part of the temporal bone in the skull that involves the middle and inner ear structures. This tumor can affect the ear, upper neck, base of the skull, and the surrounding blood vessels and nerves. A glomus jugulare tumor grows in the temporal bone of the skull, in an area called ...
Tumors of the paraganglionic tissues are known as paragangliomas, though this term tends to imply the nonchromaffin type, and can occur at a number of sites throughout the body. Chromaffin paragangliomas are issued from chromaffin cells, and are known as pheochromocytomas .
Glomus (Latin for 'ball of thread or yarn') can refer to: Glomus; Glomus tumor; Coccygeal glomus; Carotid glomus, another name for the carotid body;
Pituitary gland tumors are very common in the canine. A productive form arising from the anterior pituitary is the primary cause of Cushing's disease of dogs. This tumor causes excessive production of cortisol from the adrenal cortex which leads to the classic signs of alopecia (hair loss), polyuria (excessive urination), polydipsia (excessive water drinking), and a pot-bellied appearance of ...
Benign tumors involving the hypoglossal nerve and canal include large glomus jugulare neoplasms. Malignant tumors revolving around the hypoglossal canal can include metastases, myeloma, neural tumors such as neuroma and schwannoma; meningioma can also occur occasionally.