pseudotumor

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pseudotumor

 [soo″do-too´mer]
an enlargement that resembles a tumor; it may result from inflammation, accumulation of fluid, or other causes, and may or may not regress spontaneously.
pseudotumor ce´rebri cerebral edema and raised intracranial pressure without neurological signs except occasional sixth-nerve palsy.
inflammatory pseudotumor a tumorlike mass resulting from an inflammatory reaction; it may occur in a variety of organs and is composed of granulation tissue with leukocyte infiltration.

phan·tom tu·mor

accumulation of fluid in the interlobar spaces of the lung, secondary to congestive heart failure, radiologically simulating a neoplasm.

pseudotumor

/pseu·do·tu·mor/ (-too´mer) an enlargement that resembles a tumor, resulting from inflammation, fluid accumulation, or other causes.
pseudotumor ce´rebri  cerebral edema and raised intracranial pressure without neurological signs except occasional sixth nerve palsy.
inflammatory pseudotumor  a tumorlike mass representing an inflammatory reaction.

pseudotumor

[-t(y)o̅o̅′mər]
Etymology: Gk, pseudes + L, tumor, swelling
a false tumor.

pseudotumor

Any circumscribed, nonneoplastic tumor-like mass–eg, gastric inflammatory fibroid polyps, a wad of helminths–eg, Strongyloides species–seen in Uganda, 'amyloidomas', endometriomas or other mass lesions. See Inflammatory pseudotumor. Cf Tumor Ophthalmology Inflammatory pseudotumor of orbit An idiopathic proliferation of the lymphoid tissue surrounding the ocular orbit, which may be autoimmune in nature and related to orbital myositis Clinical Pain, exophthalmos, limitation of eye movement, lid erythema, edema, myositis, perineuritis, scleritis, dacryoadenitis; the lesion may be histologically impossible to differentiate from a true lymphoma, and may require molecular studies to determine clonality DiffDx Dacryoadenitis, orbital myositis, vasculitis, sclerosing pseudotumors, lipogranuloma, epithelioid cell granuloma, xanthogranuloma. See Pseudolymphoma.

pseudotumor

phantom tumor.

pseudotumor cerebri
cerebral edema and raised intracranial pressure without neurological signs except occasional sixth cranial nerve palsy.
References in periodicals archive ?
henselae Cat-scratch disease, endocarditis, bacillary anglomatosis, peliosis hepatis, granulomatous hepatitis, pseudotumoral lesions, arthritis, arthralgia, osteomyelitis, nodules, erythema, cutaneous petechiae, uveitis, neuroretinitis, purpura (Henoch-Schonlein), glomerulonephritis, perionyxis, periodontitis B.
23-26) From the pathologist's perspective, adnexal nevi of the skin, (27-29) cutaneous reactions to Monsel solution (a styptic),30 and the presence of the organ of Chievitz (a carcinoma look-a-like) in biopsies of the oral mucosa (31,32) are singular pseudotumoral conditions with no clinical or radiographic corollaries.
In addition, the differential diagnosis of PDAC and pseudotumoral forms of chronic pancreatitis is frequentlydifficult because of the similar imaging and clinical presentations (25).
Pseudotumoral pancreatitis: a clinicopathologic analysis of 33 patients with mass-forming pancreatitis with emphasis on the probable mechanisms [abstract].
Paraduodenal pancreatitis: a clinically and pathologically distinct form of pseudotumoral chronic pancreatitis associated with abnormalities of accessory duct, accessory ampulla, or duodenal wall [abstract].
84) The pseudotumoral nature of the lesions can be supported by their clinical, radiologic, and pathologic findings.
Pseudotumoral demyelination: a diagnosis pitfall (report of three cases).
O'Connell et al considered that trauma at the C4-5 or C5-6 level, which is more susceptible to hyperflexion injuries during deceleration events such as automobile crashes, generates a process of fibrocartilaginous metaplasia, which in turn produces a pseudotumoral mass in this particular