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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]
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 ...
Mammary gland tumors are the third common type of cancer in older female cats, with the most common symptom manifesting as a lump in the breast tissue. [3] Domestic short-haired cats and Siamese appear to have a higher incident rates. [10] The tumor is typically firm and nodular, and adheres to the overlying skin. [11]
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 .
Studies conducted in the past have also revealed changes in the expression of Bcl-2 and p53 in comparison to benign glomus tumors. [ 3 ] [ 12 ] These lesions in soft tissue and skin need to be distinguished from other cutaneous round cell malignancies such hemangiopericytoma , leiomyosarcoma , melanoma , and Merkel cell carcinoma .
Meningioma, a tumor of the meninges or membranes that surround the nerves passing through the CPA; Cerebellar astrocytoma, a malignant tumor of star-shaped glial cells called astrocytes in the cerebellum; Intracranial epidermoid cyst; Lipoma; Glomus jugulare associated with the glossopharyngeal nerve; Idiopathic hypertrophic pachymeningitis [3]
This nerve may be involved by the glomus jugulare tumour. Laryngeal cancer can present with pain behind the ear and in the ear - this is a referred pain through the vagus nerve to the nerve of Arnold. In a small portion of individuals, the auricular nerve is the afferent limb of the Ear-Cough or Arnold Reflex. [3]