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 ?
Affected individuals may also present with a limited range of motion of their upper extremity(ies) as a manifestation of the continued growth of the pseudotumor.
Myocbacterium-avium intracellulare associated inflammatory pseudotumor of the anterior nasal cavity.
A final diagnosis of neurobrucellosis with pseudotumor cerebri was established.
Macular thickness measurements with frequency domain-OCT for quantification of axonal loss in chronic papilledema from pseudotumor cerebri syndrome.
Kayexalate is well known for causing sometimes fatal bowel ischemia, ulcerations, necrosis, pseudotumors, and perforations.
Differential diagnosis of THS includes parasellar syndrome causes (trauma), neoplasms (primary intracranial tumor, local or distant metastases), vascular causes (aneurysm, carotid dissection, carotid cavernous fistula), inflammation (orbital pseudotumor, giant cell arteritis, sarcoidosis), infectious etiology (fungi, mycobacteria, etc.
The evident high signal on the STIR series and no observation of mass-like contrast involvement suggested that the lesion was a strongly inflammatory pseudotumor.
Inflammatory pseudotumor (IPT) represents a group of heterogeneous inflammatory diseases of unknown etiology and has rarely been reported to involve the nasopharynx(1-8).
Neurological side effects associated with fluoroquinolones include seizures, tremors, mental status changes, increased intracranial pressure, pseudotumor cerebri and psychosis.
A diagnosis of pseudotumor cerebri was made in eight of the patients (72.
In this study out of 50 patients, 24% cases of ICSOL in systemic causes followed by 12% cases of meningitis, 10% cases of malignant hypertension, 8% cases of drug history, 6% cases of malaria and 2% case each of diabetes, pseudotumor cerebri, anaemia, encephalopathy and head injury.
19) Las manifestaciones oftalmicas en la ER-IgG4 incluyen el crecimiento de la glandula lagrimal (dacrioadenitis) generalmente bilateral (Figura 1 y 2), el pseudotumor orbitario y la miositis orbitaria.