Sir, Histological examination of the affected skin showed a granuloma consisting of lymphocytes, plasmacytes and, mostly, A 68-year-old man, on pharmacological substitution therapy for 10 years for the removal of a large pituitary adenoma with histiocytes. The routine blood work-up and the lymphocytic subpopulation assays resulted as normal. asymmetric expansion above the cella turcica, present...