Intra-Epidermal Epithelioma or Bowen's disease - Symptoms, Causes, Treatment of Bowen's disease

Synonym: Bowen's disease

It is rare, slowly growing tumor in the epidennis. Tumor cells grow sidewards and upwards remaining within the epidennis for years; the tumor may later develop into a basal or squamous cell epithelioma. Hence it is usually considered as a precancerous dermatosis.

Symptoms of Intra-Epidermal Epithelioma

Clinically, it starts as a firm, pale-red papule which develops into a crusted plaque. Under the crust, there may be oozing and a red surface that is granular or papillomatous.

Histology: It may either be by diathenny or by surgical excision. X-ray therapy is contra-indicated.