SKN TUMOURS 2

4.4 BOWEN'S DISEASE

This is a slow enlarging red raised patch with irregular  outline

crusting is present.

   *  Histologic examination shows that the epidermis is

      thickened, cells are atypical and keratinisation is marked.

   *  Squamous cell carcinoma develops after many years.

   *  Treatment is wide excision.

 

5. TUMOURS OF THE DERMIS

5.1  The  tissue  of  the dermis can give  rise  to  LIPOMAS  and

NEUROFIBROMAS   the   latter  present  as  single   or   multiple

neurofibromas and can be inherited (von Recklinghausens Disease),

the epidermis moves free on these nodules and these nodules  move

free of the deep fascia and muscles. These are benign lesions and

rarely  undergo  malignant change.Malignant change  is  diagnosed

clinically on the basis of :

     a)  Rapid increase in size

     b)  Pain in the lesion

     c)  Fixity to skin or deeper structures

     d)  Metastasis

 

Treatment  of  any skin nodule should be  EXCISION  to  establish

histopathologic diagnosis

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