Commentary on “Nail Unit Reconstruction After Surgery for Refractory Retronychia”

Haneke, Eckart

doi:10.1097/dss.0000000000003873

Cited by 2 publications

(1 citation statement)

References 7 publications

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“…In retronychia, due to the impaction of newly formed multiple nail plates into the proximal nail fold, the nail plate becomes thick, discoloured (xanthonychia). It often looks like an oyster shell with marked onycholysis and longitudinal over curvature, a big distal bulge and a disappeared nail bed [ 10 ] . The proximal nail fold shows paronychia, which can be mild, unnoticed or severe, with swelling and granulation tissue formation [ 7 ] .…”

Section: Discussionmentioning

confidence: 99%

Differential diagnosis of retronychia, onychomycosis and onychomadesis

Wahlen,

El-Menyar,

Elkholy

2024

European Journal of Case Reports in Internal Medicine

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Background: In rare dermatology cases the differential diagnosis is challenging, e.g. when one nail is growing below another, the provisional diagnosis could be confusing. It may present as chronic paronychia, candidiasis, bacterial infections, rheumatoid arthritis, psoriasis, subungual tumours, or cysts. Case description: We present a case of iatrogenic rupture of the nails of both big toes following a commonly known recommendation from physiotherapists in the initial stages of hallux valgus or chronic arthritis by using kinesio tape to prevent the big toe from fixation in the valgus position. The initial provisional diagnosis of retronychia was revised, and a final diagnosis of onychomadesis was made. The patient’s complaint was solved after around one year without any specific therapy. Conclusion: The differential diagnosis for onychomadesis needs a careful and detailed history that may prevent a patient from a frightening diagnosis and painful, long-lasting treatments.

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Section: Discussionmentioning

confidence: 99%

Differential diagnosis of retronychia, onychomycosis and onychomadesis

Wahlen,

El-Menyar,

Elkholy

2024

European Journal of Case Reports in Internal Medicine

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Foot, Toe, and Nail Changes: Are They Interdependent?

Haneke

2024

Skin Appendage Disord

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Introduction: The toes are the distal extension of the foot increasing its weight-bearing area and the security of the stance. The nails are the acral part of the toes and are so intimately linked with the distal interphalangeal joint, its ligaments, and tendons that they were also called musculoskeletal appendages. The big toe is of particular importance for gait and stance. Anatomic alterations of the foot and toe lead to pathological changes of the nails, both directly as well as indirectly. Methods: The author evaluated the clinical photographs of 1,663 patients examined for toenail conditions. Results: It was found that a normal straight axis of the first ray of metatarsal and phalanx bones occurred in less than 10% of the patients with hallux valgus and hallux valgus interphalangeus being extremely frequent. The commonest nail changes observed were compression nail (n = 247), ingrown nail (196), onychomycosis (192), disappeared nail bed (191), congenital malalignment (118), pincer nails (118), and nail overcurvature (114). The most frequent foot-toe abnormalities were hallux valgus (775) and hallux valgus interphalangeus (1,277). Conclusion: Although a direct causal relationship is hard to prove it was realized that most of the nail changes were associated with foot and toe abnormalities. The study reveals that assessing toenail changes requires examination of the entire foot, best in relaxed, standing, and walking conditions.

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Commentary on “Nail Unit Reconstruction After Surgery for Refractory Retronychia”

Cited by 2 publications

References 7 publications

Differential diagnosis of retronychia, onychomycosis and onychomadesis

Differential diagnosis of retronychia, onychomycosis and onychomadesis

Foot, Toe, and Nail Changes: Are They Interdependent?

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