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Generalized basaloid follicular hamartoma syndrome is a rare, genetic skin disease characterized by multiple milium-like, comedone-like lesions and skin-colored to hyperpigmented, 1 to 2 mm-sized papules, associated with hypotrichosis and palmar/plantar pits. Lesions are usually first noticed on cheeks or neck and gradually increase in size and number to involve the scalp, face, ears, shoulders, chest, axillas, and upper arms. In severe cases, lower back, lower arms, and back of the legs can be involved. Mild hypohidrosis has also been reported.
Features include: Sparse scalp hair, Hamartoma, Palmar pits, and Comedo and 2 more.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Skin | 2 | Decreased sweating (hypohidrosis), Papule |
No clinical trials have been registered for generalized basaloid follicular hamartoma syndrome.
3 publications have been identified in PubMed for generalized basaloid follicular hamartoma syndrome. Research spans Review / Meta-Analysis (67%) and Case Report / Case Series (33%).
Wong SY (2026). [PMID: 41240053](https://pubmed.ncbi.nlm.nih.gov/41240053/). *J Invest Dermatol*. [Review / Meta-Analysis]
Rodríguez-Sanchez B (2026). [PMID: 41566980](https://pubmed.ncbi.nlm.nih.gov/41566980/). *Clin Exp Pediatr*. [Case Report / Case Series]
Lider S (2025). [PMID: 41133723](https://pubmed.ncbi.nlm.nih.gov/41133723/). *Dermatopathology (Basel)*. [Review / Meta-Analysis]
Data assembled from 5 of 12 sources · Last updated Sep 19, 2026, 1:34 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center