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Case Reports
. 2022 Jan 8;10(1):e05259.
doi: 10.1002/ccr3.5259. eCollection 2022 Jan.

Malignant proliferating trichilemmal tumor in abdominal wall: Report of a rare case at an uncommon site with literature review

Mahdokht Azizi  1 , Mazaher Ramezani  2   3
Affiliations
Case Reports

Malignant proliferating trichilemmal tumor in abdominal wall: Report of a rare case at an uncommon site with literature review

Mahdokht Azizi et al. Clin Case Rep. .

Abstract

The proliferating trichilemmal tumor (PTT) is a very rare cutaneous neoplasm that rarely is malignant. PTTs mainly occur in the scalp of elderly women. Only 10% occur in places other than scalp. We present a 62-year-old male patient with malignant PTT in his abdominal wall.

Keywords: abdomen; malignant proliferating trichilemmal tumor.

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Conflict of interest statement

The authors declare that there is no conflict of interest.

Figures

FIGURE 1
FIGURE 1
Gross image of the mass
FIGURE 2
FIGURE 2
Light microscopic view (Hematoxylin and eosin, ×200). (A and B) trichilemmal keratinization without granular layer; (C) Nuclear atypia and mitotic activity (×400); (D) Stromal invasion (×400); and (E) Necrosis and calcification (×200)
See this image and copyright information in PMC

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