Aggressive Behaviour of Metastatic Melanoma in a Patient with Neurofibromatosis Type 1

Figure 2

Histological analysis of lung biopsy. Tissue was negative for primary lung cancer ((a) CK stain and (b) TTF-1 stain) and was positive for melanoma ((c) Melan A stain and (d) S100 stain).

(a)

(b)

(c)

(d)