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Syndrome reference sheet
Generated 12 Oct 2026
Hematology · Hematology / Hereditary cancer Bloom syndrome
Also known as: Bloom–Torre–Machacek syndrome
Short stature with photosensitive rash and cancer predisposition.
- Medical specialty
- Hematology
- Subspecialty
- Hematology / Hereditary cancer
- Sex & age distribution
- Male: affected; Female: affected equally; Children: yes
- Gene(s) involved
- BLM
Etiology & mechanism
BLM helicase deficiency causes sister chromatid exchange.
Gene(s) involved (1)
BLM
Symptoms & signs (6)
immunodeficiencyinfertilityleukemialymphomashort staturesun-sensitive facial erythema