Racquet nail

Racquet nail
Classification and external resources
ICD-10	L62.8 (ILDS L62.810)

In Racquet nails (also known as "Brachyonychia,"^[1] "Nail en raquette"^[2], and "Racquet thumb"^[1]), the end of the thumb is widened and flattened, the nail plate is flattened as well, and the distal phalanx is abnormally short.^[2]:786 Racquet nails occur on one or both thumbs and are apparently inherited as an autosomal-dominant trait.^[2]:786 In racquet nails, the width of the nail bed and nail plate is greater than their length.^[3]:657

See also

• Nail anatomy
• List of cutaneous conditions

References

1. ^ ^{a b} Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. ISBN 1-4160-2999-0. 
2. ^ ^{a b c} James, William; Berger, Timothy; Elston, Dirk (2005). Andrews' Diseases of the Skin: Clinical Dermatology. (10th ed.). Saunders. ISBN 0721629210.
3. ^ Freedberg, et al. (2003). Fitzpatrick's Dermatology in General Medicine. (6th ed.). McGraw-Hill. ISBN 0071380760.

Follicular cysts

Epidermoid cyst · Trichilemmal cyst · Sebaceous cyst · Steatocystoma multiplex · Milia

Inflammation

Folliculitis (Folliculitis nares perforans, Tufted folliculitis) · Pseudofolliculitis barbae
Hidradenitis (Hidradenitis suppurativa, Recurrent palmoplantar hidradenitis, Neutrophilic eccrine hidradenitis)

Ungrouped

Acrokeratosis paraneoplastica of Bazex · Acroosteolysis · Bubble hair deformity · Disseminate and recurrent infundibulofolliculitis · Erosive pustular dermatitis of the scalp · Erythromelanosis follicularis faciei et colli · Hair casts · Hair follicle nevus · Intermittent hair–follicle dystrophy · Keratosis pilaris atropicans · Kinking hair · Koenen's tumor · Lichen planopilaris · Lichen spinulosus · Loose anagen syndrome · Menkes kinky hair syndrome · Monilethrix · Parakeratosis pustulosa · Pili (Pili annulati · Pili bifurcati · Pili multigemini · Pili pseudoannulati · Pili torti) · Pityriasis amiantacea · Plica neuropathica · Poliosis · Rubinstein–Taybi syndrome · Setleis syndrome · Traumatic anserine folliculosis · Trichomegaly · Trichomycosis axillaris · Trichorrhexis (Trichorrhexis invaginata · Trichorrhexis nodosa) · Trichostasis spinulosa · Uncombable hair syndrome · Wooly hair · Wooly hair nevus

Sweat glands

Eccrine	Miliaria (Colloid milium • Miliaria crystalline • Miliaria profunda • Miliaria pustulosa • Miliaria rubra • Occlusion miliaria • Postmiliarial hypohidrosis), Granulosis rubra nasi, Ross’ syndrome, Anhidrosis, Hyperhidrosis (Generalized, Gustatory, Palmoplantar)
Apocrine	Body odor, Chromhidrosis, Fox–Fordyce disease
Sebaceous	Sebaceous hyperplasia

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