Clubbed thumb

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Clubbed thumb
Classification and external resources

Top view of a child with asymmetric clubbed thumb.

Side view of a child with asymmetric clubbed thumb

A clubbed thumb or stub thumb, known clinically as brachydactyly type D (BDD),^[1] is a genetic trait characterized by the last bone of one or both thumbs being short and round with an accompanying short and wide nail bed.^[2]

The condition is sometimes known as murderer's thumb, a name originally coined by fortune-tellers,^[3] potter's thumb^[1] or Dutch thumb.

References

↑ 1.0 1.1 Online 'Mendelian Inheritance in Man' (OMIM) Brachydactyly, Type D; BDD. -113200
↑ Alessandro Castriota-Scanderbeg, Bruno Dallapiccola (2005). Abnormal Skeletal Phenotypes: From Simple Signs to Complex Diagnoses. Springer. p. 962. ISBN 3540679979.
↑ "The Curious Case of the Stubby Thumb". Science in Society Blog. 2011-11-03. Retrieved 2013-03-15.

Congenital malformations and deformations of musculoskeletal system / musculoskeletal abnormality (Q65–Q76, 754–756.3)

Appendicular
limb / dysmelia

Upper

clavicle / shoulder:	Cleidocranial dysostosis Sprengel's deformity Wallis–Zieff–Goldblatt syndrome

hand deformity:	Madelung's deformity Clinodactyly Oligodactyly Polydactyly

Lower

hip:	Dislocation of hip / Hip dysplasia Upington disease Coxa valga Coxa vara

knee:	Genu valgum Genu varum Genu recurvatum Discoid meniscus Congenital patellar dislocation Congenital knee dislocation

foot deformity:	varus Club foot Pigeon toe valgus Flat feet Pes cavus Rocker bottom foot Hammer toe

Either / both

dactyly / digit:	Polydactyly / Syndactyly webbed toes Arachnodactyly Cenani–Lenz syndactylism Ectrodactyly Brachydactyly Clubbed thumb

reduction deficits / limb:	Acheiropodia ectromelia Phocomelia Amelia Hemimelia

multiple joints:	Arthrogryposis Larsen syndrome Rapadilino syndrome

Axial

Craniofacial

Craniosynostosis:	Scaphocephaly Oxycephaly Trigonocephaly

Craniofacial dysostosis:	Crouzon syndrome Hypertelorism Hallermann–Streiff syndrome Treacher-Collins syndrome

other:	Macrocephaly Platybasia Craniodiaphyseal dysplasia Dolichocephaly Greig cephalopolysyndactyly syndrome Plagiocephaly Saddle nose

Vertebral column

Thoracic skeleton

ribs:	Cervical Bifid

sternum:	Pectus excavatum Pectus carinatum

M: JNT

anat (h/c, u, t, l)/phys

noco (arth/defr/back/soft)/cong, sysi/epon, injr

proc, drug (M01C, M4)

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