OrphaNet reference

Prader-Willi syndrome 

May Cause

Absent paranasal sinus

Ambiguous genitalia

Atherosclerosis

Body asymmetry

Clinodactyly

Clinodactyly of fifth finger

Congenital generalized osteoporosis

Congenital vertebral abnormality

Coxa valga

Cryptorchidism

Decreased muscle mass

Defective dentition

Delayed bone age

Delayed dentition

Dental caries

Dental defect

Diabetes mellitus

Enlarged medial femoral condyle

External ear malformation

Goiter

Hemihypertrophy

Hip dislocation

Hip subluxation

Hypogonadism

Hypoplastic labia majora

Hypoplastic paranasal sinus

Increased subcutaneous fat

Kyphosis

Laryngeal anomaly

Limb asymmetry

Long thin bones

Microcephaly

Microorchidism

Nephroblastomatosis

Nephrogenic rests

Osteoporosis

Retarded skeletal maturation

Scoliosis

Self-mutilation

Short foot

Short hand

Skin pigment abnormality

Small sella turcica

Strabismus

Syndactyly

Wilms tumor

Wormian bones