Proliferating trichilemmal tumors: CT and MR imaging findings in two cases, one with malignant transformation.

Proliferating trichilemmal tumors: CT and MR imaging findings in two cases, one with malignant transformation. Research Abstract Details 

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Proliferating trichilemmal tumors: CT and MR imaging findings in two cases, one with malignant transformation. Abstract Text:

H J Kim,T S Kim,K H Lee,Y M Kim,C H Suh,

We report the imaging findings in two patients with proliferating trichilemmal tumors. In the first patient, the tumor arose on the lower lip, a very unusual location for this type of tumor, and showed malignant transformation with metastasis to a regional lymph node. It was seen as a poorly marginated soft-tissue mass with isointense signal on T1-weighted MR images and hyperintense signal on T2-weighted images. Large areas of high signal intensity caused by necrosis were also found within the tumor on T2-weighted images. After i.v. administration of contrast material, the mass showed significant enhancement, with considerable portions remaining unenhanced. In the second patient, the tumor originated from a preexisting trichilemmal cyst and occurred in the hair-bearing area of the posterior part of the neck. CT scans showed a well-encapsulated cystic mass that contained multiple speckled calcifications in a wall of variable thickness. There were several foci of smooth soft-tissue elevations from the inner wall of the mass, which corresponded histologically to proliferating portions of trichilemmal cyst.

Proliferating trichilemmal tumors: CT and MR imaging findings in two cases, one with malignant transformation. Publishing Authors By Initials

HJ Kim,TS Kim,KH Lee,YM Kim,CH Suh,

For similar tomography, x-ray computed research abstracts see: tomography, x-ray computed research

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Proliferating trichilemmal tumors: CT and MR imaging findings in two cases, one with malignant transformation. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: AJNR. American journal of neuroradiology

VOLUME: 22

Page Numbers: 180-3

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ISSN: 0195-6108

DAY: 14

MONTH: Jan

YEAR: 2001

Proliferating trichilemmal tumors: CT and MR imaging findings in two cases, one with malignant transformation. Information

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LANGUAGE: eng

NlmUniqueID: 8003708

Proliferating trichilemmal tumors: CT and MR imaging findings in two cases, one with malignant transformation. Keywords Mesh Terms:

KEYWORDS: Tomography, X-Ray Computed

MESH TERMS: pathology

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Grant and Affiliation Information for Proliferating trichilemmal tumors: CT and MR imaging findings in two cases, one with malignant transformation.

AFFILIATION: Department of Radiology, Inha University Hospital, Inchon, South Korea.

Country: United States

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MEDLINETA: AJNR Am J Neuroradiol

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