PMC5379080_01
Preoperation picture.
CRIDM2017-9761843.001.jpg
PMC5379080_01_CRIDM2017-9761843.001.jpg
fig1
Umbilicus was normal looking (Figure 1).
Polypoid lesion protruded to umbilicus covered by acanthotic epidermis.
CRIDM2017-9761843.002.jpg
PMC5379080_01_CRIDM2017-9761843.002.jpg
fig2
However, a deep-seated nodule was found in the umbilicus with the clinical impression of "umbilical sinus." He underwent surgery and excisional biopsy; histopathologic examination revealed a polypoid lesion protruded to umbilicus covered by acanthotic epidermis (Figure 2) with a prominent increase in eccrine coils and dermal fibrosis (Figure 3).
Prominent increase in eccrine coils and dermal fibrosis.
CRIDM2017-9761843.003.jpg
PMC5379080_01_CRIDM2017-9761843.003.jpg
fig3
However, a deep-seated nodule was found in the umbilicus with the clinical impression of "umbilical sinus." He underwent surgery and excisional biopsy; histopathologic examination revealed a polypoid lesion protruded to umbilicus covered by acanthotic epidermis (Figure 2) with a prominent increase in eccrine coils and dermal fibrosis (Figure 3).