45,X/46,XY mixed gonadal dysgenesis

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45,X/46,XY mixed gonadal dysgenesis

ORPHA:1772Malformation syndrome

Also called 45,X/46,XY MGD · 45,X0/46,XY MGD · 45,X0/46,XY mixed gonadal dysgenesis

What it is

A rare disorder/difference of sex development (DSD) associated with a numerical sex chromosome abnormality resulting from Y-chromosome mosaicism and associated to abnormal gonadal development and features of Turner-Syndrome.

Key facts

Age of onset
All ages
Inheritance
Not applicable, Unknown
Classified as
Malformation syndrome

Signs and symptoms

These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.

Gene

SRYCandidate gene tested

ICD-10 codes

Q98.7filed under a broader ICD-10 category

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

MESH D006060MONDO 0015779UMLS C0018055

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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