Pachydermodactyly L91.8

Verbov, 1975

Acquired, rare disease from the group of benign fibromatoses, which primarily affects male adolescents.

Long-term mechanical manipulation such as rubbing, pressing, sucking and chewing, even in the context of obsessive-compulsive disorder.

Symptomless, spindle-shaped thickening of the lateral interphalangeal joints. In some cases also involvement of the palms with brownish hyperkeratosis and accentuated linear relief (see also under Tripe palms).

Pachydermoperiosteosis, primary or symptomatic

Avoidance of mechanical irritations, if necessary psychotherapeutic care.

1. Al Hammadi A, Hakim M (2007) Pachydermodactyly: case report and review of the literature. J Cutan Med Surg 11: 185-187
2. Chamberlain AJ et al (2003) Pachydermodactyly: a forme fruste of knuckle pads? Australas J Dermatol 44: 140-143
3. Hagedorn M et al (1994) Pachdermodactyly. Consequence of obsessive-compulsive disorder. Dermatologist 45: 88-90
4. Tompkins SD et al (1998) Distal pachydermodactyly. J Am Acad Dermatol 38: 359-362
5. Verbov J (1975) Pachydermodactyly: a variant of the true knuckle pad. Arch Dermatol 111: 524