Which of the following malignancy does not show lymphatic metastasis?: (A) Squamous cell Ca, (B) Basal cell Ca, (C) Malignant melanoma, (D) Kaposi's sarcoma
Answer is B. Basal cell Ca is a low grade malignancy which spread by local invasion and does not show lymphatic metastasis. It is a well defined, firm lesion with waxy beaded margin. The ideal treatment of choice is excision with 0.5cm of normal skin margin. Ref: Illustrated synopsis of Dermatology and Sexually transmitted disease 2nd edn, By Neena Khanna page 308.