Pachydermodactyly L91.8

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 14.11.2022

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History
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Verbov, 1975

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

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

Clinical features
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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).

Differential diagnosis
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Therapy
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Avoidance of mechanical irritations, if necessary psychotherapeutic care.

Literature
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  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

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Acanthosis nigricans maligna;

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Last updated on: 14.11.2022