Dorsal Skin and Fingernails on the Volar Aspect of the Hand

Kalisman, Michael; Goldberg, Rosalie; Ship, Arthur G.

doi:10.1097/00006534-198204000-00023

Cited by 42 publications

(19 citation statements)

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“…The pathogenesis of congenital ectopic nail is so far unclear [6]. There are various theories concerning the cause: ectopic presence of stray germ cells [5], vestigial nail [7] or aberration in the long arm of chromosome 6 [8]. Ectopic nails have been reported in association with a number of syndromes such as congenital palmar nail syndrome (triad of palmar nail, absent finger flexion, abnormalities of the distal phalanx) [9] or Robin sequence, a disorder characterized by micrognathia, cleft palate, glossoptosis and cardiopulmonary anomalies [10].…”

Section: Discussionmentioning

confidence: 99%

Progressive Symmetric Erythrokeratodermia Associated with Oligodontia, Severe Caries, Disturbed Hair Growth and Ectopic Nail: A New Syndrome?

Bongiorno¹,

Aricò

2008

Dermatology

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A 7-year-old girl had well-demarcated erythematous plaques covered with white pityriasiform scales which were symmetrically distributed and involved the extensor surfaces of the extremities as well as the abdomen, buttocks and face. Histological examination showed marked hyperkeratosis with parakeratosis, and a thickened granular cell layer, mild acanthosis and slight lymphocytic infiltration surrounding the papillary blood vessels, compatible with a diagnosis of progressive symmetrical erythrokeratodermia. Remarkably, a keratotic excrescence similar to a normal nail plate involved the tip of the nose since the age of 6 months. Moreover, occipital hairlessness, oligodontia and severe caries were noted. Progressive symmetric erythrokeratodermia has so far been described as a non-syndromic skin disorder, which is why our patient’s multisystem birth defect may represent a new entity.

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Section: Discussionmentioning

confidence: 99%

Progressive Symmetric Erythrokeratodermia Associated with Oligodontia, Severe Caries, Disturbed Hair Growth and Ectopic Nail: A New Syndrome?

Bongiorno¹,

Aricò

2008

Dermatology

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“…CN is an extremely rare congenital anomaly of the nail which occurs in patients with a full expression of the dorsal dimelia phenotype, also known as the “congenital palmar nail syndrome” [8]. In some cases, CN can also occur either as an isolated anomaly or in association with other congenital anomalies [3-9]. …”

Section: Discussionmentioning

confidence: 99%

“…Kalikian [2] attempted the first classification of congenital abnormalities of nail development into: absence of nail growth, abnormality of nail augmentation, and abnormality of nail implantation. Circumferential nail (CN) is a very rare anomaly of nail development with only a few cases reported in the past [3-8]. We report an Indian male with CN in the accessory digit.…”

Section: Introductionmentioning

confidence: 97%

Circumferential Nail

Jakhar¹,

Grover²,

Kaur³

2019

Skin Appendage Disord

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“…Various hypotheses were formulated to explain the origin of EN: the presence of stray germinal cells in ectopic sites [10], persistence of a rudimentary nail bed after regression of polydactyly [2,9,23], traumatic inoculation of onychocytes or implantation of nail germ cells and their abnormal growth [21], mutation on the long arm of chromosome 6 with congenital polyonychia (Pierre-Robin syndrome) [24]. …”

Section: Discussionmentioning

confidence: 99%

Ectopic Foot Nails: Clinical and Dermoscopic Features, Treatment and Outcome in 20 Cases

Ena

Ena²,

Ferrari³

et al. 2015

Dermatology

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Background: Ectopic nail (EN) is an extremely rare condition in which the small nail apparatus grows outside the normal nail unit of the hand and fingertips. Limited data can be found in the literature regarding ectopic nails of the foot and toes (EFN). Objective: The study aimed at characterizing the clinical, therapeutic and dermoscopic EFN by a comparison with and differentiation from EN observed on the hands. Methods: Data on EFN collected during 2004-2014 were analysed. A literature search was performed to evaluate articles for review points on the topic. Results: Characteristics of shape, development, ultrasound aspects, dermoscopy and the response to treatment of 22 EFN were reported. Results from our study were compared with cases reported in the literature. Conclusion: In this article, new aspects on EFN from the clinical-morphological and dermoscopic points of view are reported; these may facilitate the diagnosis of an anomaly even without a histological examination.

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Dorsal Skin and Fingernails on the Volar Aspect of the Hand

Cited by 42 publications

References 0 publications

Progressive Symmetric Erythrokeratodermia Associated with Oligodontia, Severe Caries, Disturbed Hair Growth and Ectopic Nail: A New Syndrome?

Progressive Symmetric Erythrokeratodermia Associated with Oligodontia, Severe Caries, Disturbed Hair Growth and Ectopic Nail: A New Syndrome?

Circumferential Nail

Ectopic Foot Nails: Clinical and Dermoscopic Features, Treatment and Outcome in 20 Cases

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