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X-linked congenital generalized hypertrichosis(HTC2)

MedGen UID:
341002
Concept ID:
C1855900
Disease or Syndrome
Synonyms: CHROMOSOME Xq27.1 INTERCHROMOSOMAL INSERTION SYNDROME; HYPERTRICHOSIS, CONGENITAL GENERALIZED; HYPERTRICHOSIS, CONGENITAL GENERALIZED, 2; Macias-Flores Garcia-Cruz Rivera syndrome
SNOMED CT: X-linked congenital generalized hypertrichosis (1010628009); Congenital generalized hypertrichosis Macias-Flores type (1010628009); Macias-Flores Garcia-Cruz Rivera syndrome (1010628009)
Modes of inheritance:
X-linked dominant inheritance
MedGen UID:
376232
Concept ID:
C1847879
Finding
Source: Orphanet
A mode of inheritance that is observed for dominant traits related to a gene encoded on the X chromosome. In the context of medical genetics, X-linked dominant disorders tend to manifest very severely in affected males. The severity of manifestation in females may depend on the degree of skewed X inactivation.
 
Monarch Initiative: MONDO:0010614
OMIM®: 307150
Orphanet: ORPHA79495

Definition

X-linked congenital generalized hypertrichosis is an extremely rare type of hypertrichosis lanuginosa congenita, a congenital skin disease, which is characterized by hair overgrowth on the entire body in males, and mild and asymmetric hair overgrowth in females. It is associated with a mild facial dysmorphism (anterverted nostrils, moderate prognathism), and, in a kindred, it was also associated with dental anomalies and deafness. [from ORDO]

Clinical features

From HPO
Scoliosis
MedGen UID:
11348
Concept ID:
C0036439
Disease or Syndrome
The presence of an abnormal lateral curvature of the spine.
Hirsutism
MedGen UID:
42461
Concept ID:
C0019572
Disease or Syndrome
Abnormally increased hair growth referring to a male pattern of body hair (androgenic hair).
Congenital, generalized hypertrichosis
MedGen UID:
1807304
Concept ID:
C5574955
Disease or Syndrome
A confluent, generalized overgrowth of silvery blonde to gray lanugo hair at birth.

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVX-linked congenital generalized hypertrichosis

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