OSLAM syndrome

Classification	D ICD-10: C41.9; OMIM: 165660;
External resources	Orphanet: 2760;

OSLAM syndrome
Synonyms	Osteosarcoma-limb anomalies-erythroid macrocytosis syndrome
	OSLAM syndrome is inherited in an autosomal dominant manner

OSLAM syndrome is a rare autosomal dominant hereditary disorder. Its name is an initialism of "osteosarcoma, limb anomalies, and erythroid macrocytosis with megaloblastic marrow syndrome". OSLAM syndrome was recognised and described by Mulvilhill et al. as a syndrome that increases susceptibility to tumours and is characterised by an impaired regulation of bone and marrow development.^[1]^[2]

Individuals with OSLAM syndrome have an elevated risk of bone cancer, limb abnormalities, and enlarged red blood cells.

Symptoms

Bone cancer
Curved fifth fingers (clinodactyly) with brachymesophalangy (shortened phalanges of the toes and/or fingers (digits))
Absence of one digital ray of the foot (a digit and corresponding metacarpal or metatarsal bone)
Bilateral radioulnar synostosis
Enlarged red blood cells
Dental decay
Short stature

References

↑ Mulvihill J.J., Gralnick H.R., Whang-Peng J., Leventhal B.G. (1977.) Multiple childhood osteosarcomas in an American Indian family with erythoid macrocytosis and skeletal anomalies, Cancer, 40(6):3115–3122.
↑ Weber G.F. (2007.) Molecular Mechanisms of Cancer, Springer, pg. 558.

External links

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[1] Mulvihill J.J., Gralnick H.R., Whang-Peng J., Leventhal B.G. (1977.) Multiple childhood osteosarcomas in an American Indian family with erythoid macrocytosis and skeletal anomalies, Cancer, 40(6):3115–3122.

[2] Weber G.F. (2007.) Molecular Mechanisms of Cancer, Springer, pg. 558.

Classification	D ICD-10: C41.9 OMIM: 165660
External resources	Orphanet: 2760

OSLAM syndrome

Symptoms

See also

References

External links