retention cyst


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retention cyst

[ri′ten·chən ‚sist]
(medicine)
A cyst caused by obstructed outflow of secretion from a gland.
References in periodicals archive ?
Finally, the distinction between a retention cyst and a simple mucinous cyst is largely dependent on clinical features including imaging and gross findings because retention cysts result from duct obstruction and both entities share similar histopathologic findings.
By contrast, mucous retention cysts are typically limited to the sinus cavity in location.
Age incidence of different lesions of larynx in the study were observed and found that vocal nodules were in 15/22 patients among 21 to 40 years, Vocal polyp in 8/12 patients of 31 to 50 years age, papilloma in 3/6 in 1 to 10 years age and Retention cyst 3/6 and Sulcus Vocalis in 3/4 patients in 31 to 40 years age groups (Table 10).
Ossicular disruption is one of the common complications of chronic otitis media, (1) while the retention cyst is a rare one.
Most authors restrict the term retention cyst to unilocular cysts lined by cuboidal cells lacking significant apical mucin, (7) but controversy exists when these cysts exhibit columnar mucinous lining.
These findings were consistent with a retention cyst containing proteinaceous material.
It consists of 4 histopathological findings: simple mucocele or retention cyst, mucosal hyperplasia, mucinous cystadenoma, and mucinous cystadenocarcinoma.
Coronal and axial computed tomography (CT) of the nasal area identified a vomeral bone defect and a retention cyst in the right maxillary sinus (figure).
Thornwaldt's cyst can be differentiated from adenoid retention cyst as Thornwaldt's cyst wall has lymphocytic infiltrates & lack of lymphoid follicles whereas adenoid retention cyst has abundant lymphoid tissue, many inflammatory cells & germinal centers.
INTRODUCTION: The term "ranula" is used to describe a diffuse swelling in the floor of the mouth caused by either a mucous extravasation or, less commonly, a mucous retention cyst derived from the major sublingual or submandibular salivary glands.
While the diagnosis of laryngocele is usually made on clinical grounds, it has to be differentiated from all other neck swellings which includes any cystic swelling in the upper part of the neck like branchial cyst, submandibular salivary gland duct cyst, cystic hygroma, saccular cyst, mucous retention cyst, thyroglossal duct cyst and neck swellings which increase in size on valsalva manoeuvre like Jugular vein phlebectasia.
The differential diagnosis includes laryngocele, saccular cyst, hemangioma, mucus retention cyst, lipoma, minor salivary gland tumor, amyloidosis, and peripheral neural tumor.