The American Society of Dermatopathology

View case study archive

Interactive Case Study - May 2023

21-month-old male with chest nodule and scalp patch

Camilla A. Cascardo, BS; Uma N. Sundram, MD, PhD

Question 1:

A healthy 21-month-old male infant presented with a tan-brown nodular lesion on his left anterior chest wall and a hairless, brown patch on his scalp. A surgical excision was performed.

Click here to view the virtual slide.

Figure 1: H&E 20X

Figure 2: H&E 40X

Figure 3: H&E 200X

Figure 4: H&E 400X

Which of the following is the best diagnosis?