FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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Term Leydig cell hypoplasia type I ID (Ontology) DOID:0112260 (Human Disease)
Definition A Leydig cell hypoplasia characterized by 46,XY male pseudohermaphroditism, low testosterone and high LH levels, total lack of responsiveness to LH/CG challenge, lack of breast development, and absent development of secondary male sex characteristics that has_material_basis_in homozygous or compound heterozygous complete inactivation mutation in the LHCGR gene on chromosome 2p16.3.
Also Known As "46,XY disorder of sex development due to complete LH receptor inactivation" ; "46,XY disorder of sex development due to complete LH resistance" ; "46,XY disorder of sex development due to complete luteinizing hormone receptor inactivation" (for all, see Synonyms field below)
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 Genes
 Leydig cell hypoplasia type I       1
 for disease ribbon | Leydig cell hypoplasia type I       1
 model of | Leydig cell hypoplasia type I       1
Spanning Tree (Parents/Children)
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autosomal recessive disease__
pseudohermaphroditism________|
                             Leydig cell hypoplasia
                              |__Leydig cell hypoplasia type I  1 rec.
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Synonyms
  • "46,XY disorder of sex development due to complete LH receptor inactivation" EXACT
    "46,XY disorder of sex development due to complete LH resistance" EXACT
    "46,XY disorder of sex development due to complete luteinizing hormone receptor inactivation" EXACT
    "46,XY disorder of sex development due to complete luteinizing hormone resistance" EXACT
    "46,XY DSD due to complete LH receptor inactivation" EXACT
    "46,XY DSD due to complete LH resistance" EXACT
    "46,XY DSD due to complete luteinizing hormone receptor inactivation" EXACT
    "46,XY DSD due to complete luteinizing hormone resistance" EXACT
    "Leydig cell hypoplasia due to complete LH receptor inactivation" EXACT
    "Leydig cell hypoplasia due to complete luteinizing hormone receptor inactivation" EXACT
    "Leydig cell hypoplasia due to complete luteinizing hormone resistance" EXACT
Secondary IDs
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MIM:238320
ORDO:96265