Digital papillary adenocarcinoma

Digital papillary adenocarcinoma is a rare malignant skin tumour.

General

• Very rare.
• Aggressive.

Gross

• Distal end of a finger or toe.
  • Usually fingers.

Microscopic

Features:

• Papillary projections - very common, not required.
  • Tubular structures.
• Basaloid cells usually with mild-to-moderate atypia.

DDx:

• Basal cell carcinoma.
• Other basaloid tumours.

See also

• Dermatopathology.