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. Synonym(s): pseudotumor, vanishing 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.

单词	pseudotumor
释义	pseudotumor Translations pseudotumor 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. Synonym(s): pseudotumor, vanishing 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.
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