Gender of Person with M-CM

Number of responses: 51/51. Question type: select one.

Female	22
Male	29
Other	0

Age of Person with M-CM

Number of responses: 51/51. Question type: open-ended

0-12mo	6
12-24mo	4
2 years	5
3 years	7
4 years	2
5 years	3
6 years	2
7 years	5
8 years	7
9 years	1
10 years	4
11 years	1
12 years	1
14 years	1
16 years	1
18 years	1

Ethnic background of individual

Number of responses: 51/51. Question type: select + open-ended other

Black or African American	1
Hispanic or Latino	3
White	46
North African	1
Native American	1
Mixed hispanic caucasian	1

Has the individual in question been diagnosed with M-CM?

Number of responses: 45/51. Question type: select one.

A physician feels that M-­CM is the most appropriate diagnosis, but it is not considered definite and is revisited occasionally.	7
The individual has a definite M-­CM diagnosis from a physician.	38

Age of diagnosis

Number of responses: 51/51. Question type: open ended, answers sorted into groups, required

Birth to 2 months	8
3 - 6 months	10
9 - 12 months	5
13 - 23 months	10
2 years	9
3 years	5
4 years	1
5 years	1
6 years	1
15 years	1

Did the individual in question have one or more different diagnoses before getting an M­-CM diagnosis? If yes, please list other diagnoses that the individual received.

Question type: open ended, answers sorted into groups, many responses were prefaced with "possible" or "suspected"

Klippel-Trenaunay-Webber	5
Klippel-Trenaunay	4
Proteus	3
Sturge Weber	3
Cutis Marmorata Telangectasia Congenita (CMTC)	2
Polymicrogyria	2
Megalencephaly-polymicrogyria-polydactyly-hydrocephalus syndrome (MPPH)	1
Beckwith-Wiedemann	1
PTEN	1
Port Wine Stain	1
Diffuse Capillary Malformation with Overgrowth	1
Provisionally Unique Vascular Anomaly	1
Overgrowth Syndrome of Unknown Origin	1
Macrocephaly Cutis Marmorata	1
Hypotonia	1
Storage Disease	1
11 people said "no"
15 didn't answer