CD4 and cutaneous mastocytosis: No statistically significant differences were observed between patients with TBM and CM regarding demographic and clinical data except duration of symptoms before admission, 14 (9-15) days in patients with TBM vs. 4 (3-6) in patients with CM (p < 0.001) and CD4 cell count, 68 (20-145) cells/cmm in patients with TBM vs 13 (8-38) cells/cmm in patients with CM (p = 0.002).