(n.) A pouch or sac without opening, usually membranous and containing morbid matter, which is accidentally developed in one of the natural cavities or in the substance of an organ.
(n.) In old authors, the urinary bladder, or the gall bladder.
(n.) One of the bladders or air vessels of certain algae, as of the great kelp of the Pacific, and common rockweeds (Fuci) of our shores.
(n.) A small capsule or sac of the kind in which many immature entozoans exist in the tissues of living animals; also, a similar form in Rotifera, etc.
(n.) A form assumed by Protozoa in which they become saclike and quiescent. It generally precedes the production of germs. See Encystment.
Example Sentences:
(1) However it is important to recognize these cysts so that correct surgical management is offered to the patient.
(2) The increase in red blood cell mass was associated with an elevation in erythropoietic stimulatory activity in serum, pleural fluid, and tumor-cyst fluid as determined by the exhypoxic polycythemic mouse assay.
(3) Diagnostic work-up and management of intracranial arachnoid cysts are still controversial.
(4) The position of the cyst supports the theory that branchial cysts are congenital in origin.
(5) These cases show that an examination of the whole neuraxis is as important in patients with midline posterior fossa cysts as it is in patients with developmental syringomyelia or Chiari I malformation.
(6) The exception to this rule is a cyst which can be safely aspirated under controlled conditions.
(7) Aneurysmal bone cyst is an uncommon benign lesion that rarely presents in the craniofacial region.
(8) It is especially efficacious in evaluating patients with cystic lesions, especially those with complex cysts not clearly of water density.
(9) In cases in which CT was also performed, it revealed corresponding hypodensities in two infarctions, but failed to reveal the foci of gliosis (or noncavital infarction), demyelination, or brain cyst.
(10) This light microscopic comparison of viable FDA- and nonviable PI-stained cysts of G. muris demonstrates that 2 types of cysts can be distinguished and implies that structural differences can be used to identify these subpopulations of cysts.
(11) Quantitative measurements of image contrast were carried out for B-mode images of anechoic spheres (cysts) embedded in a random scattering medium.
(12) The resistance of GSA 65 to proteolytic degradation, together with previous immunofluorescence data that indicate the antigen is an integral part of the G. lamblia cyst wall, suggests that this molecule may play a role in maintaining the integrity of the cyst in vivo.
(13) Radiographic examination revealed that three of the cysts had increased is size, three had decreased in size, three had not changed in size, and two had disappeared; no evaluation could be made on two.
(14) Zinc alpha-2 glycoprotein (ZnGP) was measured in human breast microcysts, breast secretions, breast cyst fluid and serum.
(15) The diagnosis of meningeal cyst was confirmed in a non-invasive way by MRI showing a mass with the same signal intensities as CSF on both T1 and T2 weighted images.
(16) Furthermore, the different types of adrenal cysts reported in the literature and the differential diagnosis from other adrenal cystic lesions, mainly tumors and infections, are discussed.
(17) Splenectomy is the operation of choice for cysts of the spleen in children.
(18) The concentration of potassium (K+) and sodium (Na+) was measured in breast cyst fluid (BCF) from 611 cysts greater than 3 ml aspirated in 520 women with gross cystic disease of the breast.
(19) Although bronchogenic cysts may involve the mediastinum, they have rarely been responsible for significant upper airway obstruction.
(20) Radiographically the bone cyst distinguishes itself by its central localisation in the metaphysis, where as the giant cell tumor has an excentric position in the epiphysis with a tendency of extending into the metaphysis.
Ranula
Definition:
(n.) A cyst formed under the tongue by obstruction of the duct of the submaxillary gland.
Example Sentences:
(1) CT findings in 38 additional patients with a variety of cystic lesions in the floor of the mouth are contrasted with findings in cases of ranulas.
(2) Also 4 cases of plunging ranula are presented; three were treated by extirpation of the sublingual gland and one was treated by exteriorization of the ranula into the oral cavity.
(3) Results of considerable experimental work reported by others, support the concept that plunging ranulas are extravasations of saliva from the sublingual glands.
(4) A plunging ranula can be readily identified preoperatively with computed tomography as a cystic mass in the suprahyoid anterior neck.
(5) It is recommended that oral ranula be treated initially by marsupialization with packing and, if recurrence occurs, then the offending sublingual gland should be excised.
(6) The pathology and treatment of harelip, hydrocephalus, the adenoids, ranula, gynecomastia, imperforated external urinary meatus, circumcision, hermaphrodites, imperforate anus, and supernumerary and webbed finger were all described by Albucasis, and his remarks are discussed here in some detail.
(7) Review of our experience with 26 patients over 12 years ending in 1986 substantiated a concept previously advocated by other authors that ranulas are usually extravasation pseudocysts developing after disruption of sublingual gland elements, and that excision of the ipsilateral sublingual gland is the management approach of choice.
(8) Treatment of salivary mucoceles (cervical salivary gland cyst, ranula or pharyngeal mucocele) consists in surgical resection of the affected salivary gland.
(9) Microscopic examination of histologic sections revealed the lesion to have the characteristics of a sialocele (ranula).
(10) The origin of a ranula is due to obliteration of a minor duct of the sublingual gland.
(11) Three cases of plunging ranula are described and the literature is reviewed.
(12) Pathogenesis and treatment of ranulas is briefly discussed.
(13) A case report of a 36-year-old man with a plunging ranula of 15 years' duration, in which squamous cell carcinoma arose from the cyst wall, is presented.
(14) A review of the literature pertaining to plunging ranula is presented with special emphasis on the historical development of the various aetiological theories and treatment recommendations.
(15) Ranulas or mucoceles of the floor of the mouth are cysts arising from the sublingual glands.
(16) A case is reported of a papillary cystadenocarcinoma of the sublingual gland which presented as a ranula.
(17) This review suggests that excision of the sublingual gland with intra-oral drainage of the cervical swelling appears to be the treatment of choice for the plunging ranula.
(18) The pathogenesis, differential diagnosis and treatment of ranulas are discussed.
(19) The literature is reviewed, and four personal cases of cervical ranula presented.
(20) These complications are rare and the causal relationship between gland trauma-ranula is confirmed, via the constant difficulty of dissection of Wharton's duct and the appearance of the ranula within a delay of 3 to 6 months.