Imaging Diagnosis of a Rare Presacral Tumour

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Imaging Diagnosis of a Rare Presacral Tumour

BACKGROUND Primary tumors in the presacral (retrorectal) space are extremely rare in adults, with an estimated incidence of 0.0025 to 0.014 in large referral centers. Congenital varieties are most common and comprise two thirds of these tumors. Primary retroperitoneal sarcomas in the pelvic region are extremely rare. We report the ultrasound and the corresponding Computed Tomography (CT) featur...

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Initial diagnosis of small lymphocytic lymphoma in parotidectomy for Warthin tumour, a rare collision tumour.

Warthin tumours (WT) and malignant lymphomas are only rarely associated, and most are examples of involvement of the lymphoid stroma of WT by a disseminated lymphoma. This report describes a case where excision of a parotid mass led to the initial diagnosis of WT and small lymphocytic lymphoma (SLL). The diagnosis of SLL was confirmed by immunohistochemistry and molecular studies. The patient h...

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ژورنال

عنوان ژورنال: Polish Journal of Radiology

سال: 2017

ISSN: 0137-7183

DOI: 10.12659/pjr.900522