Table 2.

Demographics and Serum Tryptase Levels in Patients with Pediatric Mastocytosis

Patient	Diagnosis	Gender	Age of onset (months)	Age at first procedure (years)	Serum Tryptase (normal <20 ng/ml)
1	MPCM	F	2	2.0	7
2	MPCM	M	Birth	6.0	6
3	UP	M	Birth	1.6	8
4	UP	M	3	20.0	5
5	UP	F	Birth	6.1	5
6	UP	M	Birth	9.2	2
7	UP	F	3	1.0	27
8	UP	M	12	3.2	5
9	DCM	M	4	1.3	74
10	DCM	M	3	0.8	167
11	DCM	M	9	4.2	5
12	DCM	F	4	3.4	18
13	DCM	M	Birth	7.3	126
14	ISM	F	1	5.6	109
15	ISM	M	6	1.9	22
16	ISM	M	5	14.8	45
17	ISM	M	3	2.9	54
18	ISM	F	Birth	2.4	348
19	ISM	F	Birth	3.2	238
20	ISM	M	Birth	0.5	124
21	ISM	M	Birth	1.0	440
22	MAST	M	3	20.3	21

MPCM = Maculopapular Cutaneous Mastocytosis; UP = Urticaria Pigmentosa;

DCM = Diffuse Cutaneous Mastocytosis; ISM = Indolent Systemic Mastocytosis;

MAST = Mastocytoma.