lesional ( n = 15 ) and non-lesional ( n = 10 ) skin of subjects with mastocytosis was analysed for the distribution and concentration of trypase positive , chymase negative mast cells ( mct ) and tryptase positive , chymase positive mast cells ( mctc ) cells and compared to normal skin ( n = 23 ) and non-lesional skin of subjects with unexplained anaphylaxis or flushing episodes ( n = 6 ) .
C0024899
mastocytosis
C0024880
mast cells