The most common type of CTCL identified was MF (n = 6, 27.3%), followed by SS (n = 4, 18.2%), SPTCL (n = 3, 13.6%), LyP (n = 2, 9%), and various other forms including nonspecified CTCL, primary aggressive cutaneous epidermotropic CD8 cytotoxic T-cell lymphoma, primary cutaneous gamma/delta T-cell lymphoma, primary cutaneous small/medium CD4+ T-cell lymphoma, cutaneous CD56+ T-cell lymphoma, cutaneous anaplastic large cell lymphoma, and cutaneous CD30+ T-cell lymphoma. The gene discussed is NCAM1; the disease is primary cutaneous T-cell non-Hodgkin lymphoma.