obsolete rare skin tumor or hamartoma trichofolliculoma https://rarediseases.info.nih.gov/diseases/5263/trichofolliculoma https://www.malacards.org/card/trichofolliculoma NCIT:C4112 ICDO:8101/0 Orphanet:864 UMLS:C0334262 MedDRA:10044611 MESH:C536553 GARD:0005263 Trichofolliculoma is a rare benign follicular hamartoma that develops primarily on the face of adults, with a particular predilection for the back of the nose, but also on the neck or scalp. It presents as a solitary hemispheric flesh-colored nodule with a central pore or black dot that may contain a tuft of hair. MONDO:0019445 MEDGEN:87202 SCTID:274899008 hamartoma of skin appendage