Table 1 Phenotypic review of 13 patients with CLAPO

From: CLAPO syndrome: identification of somatic activating PIK3CA mutations and delineation of the natural history and phenotype

ID

Age a

Sex

Years of follow-up

Biological samples

PIK3CA mutation detected

CM lower lip (HPO:0005306)

LM (HPO:0100766)

Overgrowth (HPO:0001548)

VM (HPO:0012721)

Other CM

Other

P1

40

Male

10.2

Blood and affected skin tissue

 + 

Full lip

Bilateral lymphedema with predominance of foot-knee

Partial overgrowth of the right side of the body (+1.5 cm.)

Multiple varicose veins in the legs

Right area of the body, reddish color

P2

17

Female

10.2

Blood and affected skin tissue

+

2 cm

Lower limbs

Left leg and right arm hypertrophy

Left inguinal region

P3

20

Male

9.4

Blood

N/S

Full lip

Tongue and mandibular region

Generalized

Neck

P4

20

Female

10.1

Blood and LM tissue

Full lip

Tongue and mandibular region

Neck

Pectus excavatum

P5

16

Female

10.0

Blood

N/S

4 cm

Tongue and mandibular region

Neck

P6

11

Female

10.2

Blood and LM tissue

+

2 cm

Tongue and mandibular region

Neck

Neck

P7

18

Female

2.6

Blood, CM tissue, and saliva

Full lip

Intraoral part of the lip

Multiple small melanocytic nevi in clavicle, back, and lumbar region

P8

12

Male

2.0

Blood and affected mucosa tissue

3 cm

Cervicofacial region, tongue, gluteus

Neck

Right gluteus

Left facial paralysis and hypotonia

P9

4

Female

1.5

Blood and CM tissue

+

3 cm

Neck

Multiple, extensive: right lower limb (genital and gluteal), face, neck

Presacral ganglioneuroma.

P10

2

Female

1.5

Blood, CM tissue and saliva

+

Full lip

Cervicofacial region, tongue

Segmental hypoplasia

Neck

Left hand, between the 4th and 5th fingers

Noneffective rapamycin treatment; ocular impairment due to LM; gastrostomy

P11

5

Male

1.1

Blood and saliva

N/S

Full lip

Cervicofacial region

Neck

Glabella and neck

P12

4

Male

1.1

Blood and saliva

N/S

Full lip

Cervicofacial region, tongue

Neck

Tongue and right ankle

P13

7

Female

0.8

Blood and LM tissue

+

Gingiva, no lip involvement

Tongue and mandibular region

Tongue and gingiva; possible VM in left hip

Hip

Propanolol not effective

  1. CLAPO, capillary malformation of the lower lip, lymphatic malformation predominant on the face and neck, asymmetry, and partial/generalized overgrowth; CM, capillary malformation; HPO, Human Phenotype Ontology code; LM, lymphatic malformation; N/S: molecular study not performed due to lack of affected tissue; VM, venous malformation.
  2. aAge at end of follow-up.