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M9610269.TXT
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Document 0269
DOCN M9610269
TI Nodal inclusion cysts of the parotid gland and parapharyngeal space: a
discussion of lymphoepithelial, AIDS-related parotid, and branchial
cysts, cystic Warthin's tumors, and cysts in Sjogren's syndrome.
DT 9601
AU Som PM; Brandwein MS; Silvers A; Department of Radiology, Mount Sinai
School of Medicine, City; University of New York, NY 10029, USA.
SO Laryngoscope. 1995 Oct;105(10):1122-8. Unique Identifier : AIDSLINE
MED/96008499
AB The purpose of this report is to examine the computed tomography scans,
magnetic resonance images, and pathologic findings in 44 patients, 42 of
whom had inclusion-type cysts of the parotid and parapharyngeal space of
varying etiologies. Two additional cases of cystic changes in the benign
lymphoepithelial lesion (BLEL) of Sjogren's syndrome are highlighted
here, since they had unusually large cystic components mimicking
acquired immunodeficiency syndrome-related parotid cysts (ARPCs). A
retrospective examination identified 18 ARPCs, 3 lymphoepithelial cysts
(LECs), 13 cystic Warthin's tumors, 8 branchial cysts, and 2 cases of
cysts in patients with Sjogren's syndrome (BLEL), all of whom had
imaging studies and pathologic confirmation. There were 30 men and 14
women with an age range of 25 to 72 years (median, 46.82 years). Any
similarities in the imaging appearances were noted, as were any
differences in pathologic detail. On imaging, only the cystic Warthin's
tumors had any focal wall nodularity; the other cysts had smooth walls.
When multiple parotid cysts were present, the distinguishing feature
between ARPCs and cysts in BLEL (and some cystic Warthin's tumors) was
the presence of diffuse cervical adenopathy in patients with ARPCs.
Imaging usually could not differentiate between a solitary parotid LEC,
a branchial cyst, and some cystic Warthin's tumors. Extraparotid lesions
were either branchial cysts or cystic Warthin's tumors. Physicians
should be aware of the variety of different inclusion-type cysts that
may occur in the parotid gland and parapharyngeal space, all of which
may have similar imaging appearances. Although imaging clearly
identifies these cysts and may suggest a specific diagnosis, it must
always be remembered that the precise diagnosis remains in the province
of the pathologist.
DE Acquired Immunodeficiency Syndrome/*COMPLICATIONS
Adenolymphoma/*DIAGNOSIS Adult Aged Branchioma/*DIAGNOSIS
Cysts/*DIAGNOSIS Diagnosis, Differential Female Head and Neck
Neoplasms/*DIAGNOSIS Human HIV Infections/COMPLICATIONS *HIV-1
Magnetic Resonance Imaging Male Middle Age Parotid
Diseases/*DIAGNOSIS Parotid Neoplasms/*DIAGNOSIS Retrospective Studies
Sjogren's Syndrome/*COMPLICATIONS Tomography, X-Ray Computed JOURNAL
ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).