Overview
Myofibroma, particularly in its cutaneous adult form, is a benign vascular neoplasm characterized by solitary skin nodules that typically do not regress spontaneously 1. It contrasts with infantile myofibromatosis, which can involve visceral organs and has a more variable prognosis 1.Diagnosis
Clinical Presentation: Solitary, usually painless nodules on the skin, commonly located on extremities 1.
Histopathology: Four histopathological patterns identified; detailed microscopic examination crucial for diagnosis 1.
Immunohistochemistry: Often utilized to confirm diagnosis and differentiate from other soft tissue tumors 1.
Ultrastructural Examination: May be necessary for definitive diagnosis in complex cases 1.Management
Surgical Excision: Primary treatment for definitive removal and diagnosis 1.
Observation: For asymptomatic lesions, close monitoring without intervention may be considered 1.
No Specific Medical Therapy: No pharmacological treatment typically required due to benign nature 1.Special Populations
Pediatrics: Infantile forms involve deeper tissues and viscera with varied outcomes; distinct from adult solitary cutaneous lesions 1.
Elderly: No specific considerations noted beyond general management principles 1.
Comorbidities: No specific management adjustments mentioned for patients with comorbidities 1.Key Recommendations
Confirm diagnosis through histopathological examination including immunohistochemical markers (Evidence: Moderate 1).
Surgical excision is recommended for definitive treatment of cutaneous adult myofibroma (Evidence: Expert opinion 1).
Asymptomatic lesions may be managed with observation without immediate intervention (Evidence: Expert opinion 1).References
1 Requena L, Kutzner H, Hügel H, Rütten A, Furio V. Cutaneous adult myofibroma: a vascular neoplasm. Journal of cutaneous pathology 1996. link