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The preauricular deep parotid lymph nodes (anterior auricular glands or preauricular glands), from one to three in number, lie immediately in front of the tragus. Their afferents drain multiple surfaces, most of which are lateral in origin.
This lymphoma commonly occurs in men (median age ~60 years) who present with advanced stage III or IV disease (~70% of cases) characterized by T cell infiltrations that cause prevalent lymph node swelling often accompanied by evidence of bone marrow, liver, spleen, and/or skin involvement. [62]
This article related to the lymphatic system is a stub. You can help Wikipedia by expanding it.
Usually this is localized (for example, an infected spot on the scalp will cause lymph nodes in the neck on that same side to swell). However, when two or more lymph node groups are involved, it is called generalized lymphadenopathy. Usually this is in response to significant systemic disease and will subside once the person has recovered.
The superficial parotid lymph nodes are a group of lymph nodes anterior to the ear. Their afferent vessels drain the root of the nose , the eyelids , the frontotemporal region, the external acoustic meatus and the tympanic cavity , possibly also the posterior parts of the palate and the floor of the nasal cavity .
The deep parotid lymph nodes are lymph nodes found below the parotid gland. The afferents of the subparotid glands drain the nasal part of the pharynx and the posterior parts of the nasal cavities. Their efferents pass to the superior deep cervical glands .
Ann Arbor staging is the staging system for lymphomas, both in Hodgkin's lymphoma (formerly designated Hodgkin's disease) and non-Hodgkin lymphoma (abbreviated NHL). It was initially developed for Hodgkin's, but has some use in NHL.
PTGC is diagnosed by surgical excision of the affected lymph node(s), and examination by a pathologist. The differential diagnosis includes non-neoplastic causes of lymphadenopathy (e.g. cat-scratch fever, Kikuchi disease) and malignancy, i.e. cancer.