PMC7171610_01
A fungating and draining left anterior upper thigh mass with ulcerations measuring 10 cm in diameter.
CRIS2020-6192109.001.jpg
PMC7171610_01_CRIS2020-6192109.001.jpg
fig1
The patient is a 75-year-old woman with a past medical history of hypertension presented to the office with a 9 x 9 cm fungating left thigh mass that was reported to be slowly growing over the course of two years (Figure 1).
Cut surface shows a well-circumscribed, tan gray, focally necrotic, focally hemorrhagic mass measuring 9 x 9 x 5.5 cm with negative margins, closest margin.
CRIS2020-6192109.002.jpg
PMC7171610_01_CRIS2020-6192109.002.jpg
fig2
PAX-8 was negative (Figure 2 and Figure 3).
Hidradenocarcinoma arranged in nest and ducts with focal ossification ((a) 2.5 magnification). Mixture of eosinophilic, polygonal, and clear cells with hyperchromatic and enlarged nuclei with prominent nucleoli ((b) 40x magnification).
CRIS2020-6192109.003.jpg
PMC7171610_01_CRIS2020-6192109.003.jpg
fig3
PAX-8 was negative (Figure 2 and Figure 3).