pseudotumor

(redirected from pseudotumoral)
Also found in: Dictionary.

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

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.
References in periodicals archive ?
Finalmente, los cavernomas fueron clasificados, de acuerdo con varios autores, segun la presentacion clinica, en: asintomaticos o casuales, epileptogenicos, hemorragicos, pseudotumorales y medulares 4.
Pseudotumoral deciduosis is a rare, benign condition, most commonly seen in pregnant women with twins.
Vanopdenbosch, "Pseudotumoral rebound of multiple sclerosis in a pregnant patient after stopping natalizumab," Multiple Sclerosis and Related Disorders, vol.
Cammoun, "Pseudotumoral pelvic actinomycosis in a woman who had been using an IUD for 15 years," Tunisie Medicale, vol.
Herpes simplex infections can also have atypical presentations in immuno-compromised patients, including hypertrophic, verrucous, or pseudotumoral forms [1-6].
Khalfallah, "Pseudotumoral autoimmune pancreatitis mimicking a pancreatic cancer: a very difficult disease to diagnose," Clinics and Practice, vol.
Toumi, "A pseudotumoral presentation of pancreatic tuberculosis," Journal of Visceral Surgery, vol.
Pseudotumoral tophaceous involvement of the achilles paratenon.
A pseudotumoral appearance of (hemorrhagic) cystitis has been described in viral cystitis, being caused by chemotherapy or indwelling catheters, granulomatous cystitis, inflammatory myofibroblastic tumor, and eosinophilic cystitis [1,9,10].
We are presenting this case because it presented as a pseudotumoral appearance not only on clinical and radiological findings, but also in the surgical room and on the pathological gross examination
Types 2, 3, and 5 do not pose a diagnostic problem, but Type 4, called pseudotumoral, poses a problem of differential diagnosis.
Type Number (percent) PLSP autoimmune pancreatitis 6 (6.3) Chronic fibrosing pancreatitis 20 (21) Chronic pancreatitis 18 (18.94) Focal active pancreatitis 11 (11.57) Perideudonal pancreatitis 14 (14.73) AVM 1(1) Chronic pancreatitis with 2 (2.1) infection Granulomatose pancreatitis 1(1) Necrotizing pancreatitis 5 (5.26) Pseudotumoral pancreatitis 6 (6.3) Focal fat necrosis 2 (2.1) Chronic pancreatitis with 2 (2.1) ductal stone Lipoma 1(1) Lipomatose pseudohypertrophy 1(1) Intraductal adenoma 1(1) Xanthogranulomatous 1(1) inflammation Thrombosed pseudoaneurysm 1(1) Chronic pancreatitis with 1(1) thrombosed vessels Chronic pancreatitis due to 1(1) deudonal diverticulum TABLE 4: Logistic regression models for benign findings in patients undergoing Whipple procedure for presumed malignancy.