# Mirror Foot: Surgical Approach for Esthetic and Functional Improvement

**Authors:** Lucas Almeida Guerra, Jefferson Soares Martins, Igor Matsuy Pacheco Lehnen, Gabriella de Figueiredo Rodrigues, Luiz Fernando Batista Santana

PMC · DOI: 10.1055/s-0042-1742341 · Revista Brasileira de Ortopedia · 2022-02-15

## TL;DR

This paper describes a surgical approach to treat mirror foot, a rare congenital foot anomaly, in a 4-year-old girl to improve function and appearance.

## Contribution

The paper presents a detailed surgical technique for mirror foot with functional and esthetic outcomes in a pediatric patient.

## Key findings

- Surgical resection of three supernumerary rays improved foot width and allowed closed shoe use.
- Postoperative recovery was uneventful with transmetatarsal fixation using Kirschner wires.
- The patient achieved functional and esthetic improvement without complications.

## Abstract

Mirror foot is a rare congenital anomaly on to the spectrum of complex foot polydactyly. It may occur in isolation or associated with other malformations or genetic syndromes. This is a subject little described in the literature, with few publications on its treatment. We herein report the case of a 4-year-old female patient who presented with a left foot with 8 fingers, without other associated deformities, whose complaints included the impossibility of wearing shoes and social stigma. Radiographically, eight metatarsi with their respective phalanges, five cuneiform bones, and absence of bone deformities in the hindfoot were verified. The surgical approach was chosen in order to promote functional and esthetic improvement, as well as a better adaptation to the use of closed shoes, according to the patient's and family's desire. A dorsal and plantar V incision was performed, with resection of three supranumerary rays, including three central metatarsi with their nine corresponding phalanges, two cuneiform bones, tendons and extra digital nerves, followed by suture of the intermetatarsal ligaments, preserving the fingers with normal appearance, decreasing the width of the foot, and maintaining proper support. The reduction was maintained through transmetatarsal fixation with Kirschner wires. The postoperative period went on with the use of a walking boot and zero load, without complications, with removal o the Kirschner wires and allowing load on the limb after twelve weeks.

O pé em espelho é uma anomalia congênita rara, pertencente ao espectro das polidactilias complexas dos pés. Pode ocorrer isoladamente ou associado a outras malformações ou síndromes genéticas. Trata-se de um tema pouco descrito na literatura, com escassas publicações acerca do seu tratamento. Relatamos o caso de uma paciente de 4 anos de idade que apresentava pé esquerdo com 8 dedos, sem outras deformidades associadas, cujas queixas incluíam a impossibilidade de usar calçados fechados e estigma social. Radiograficamente, verificou-se a presença de oito metatarsos com suas respectivas falanges, cinco ossos cuneiformes, e ausência de deformidades ósseas no retropé. Optou-se pela abordagem cirúrgica visando uma melhoria funcional e estética, bem como melhor adaptação ao uso de calçados fechados, conforme desejo da paciente e família. Realizou-se incisão em V dorsal e plantar com ressecção de três raios supranumerários, incluindo três metatarsos centrais com suas nove falanges correspondentes, dois ossos cuneiformes, tendões e nervos digitais extras, seguidas da sutura dos ligamentos intermetatarsais, preservando os dedos com aparência normal, diminuindo a largura do pé, e mantendo seu apoio adequado. A redução foi mantida por fixação transmetatarsal com fios de Kirschner. O pós-operatório seguiu com uso de tala bota e carga zero, sem intercorrências, retirando-se os fios de Kirschner e liberando carga no membro após doze semanas.

## Linked entities

- **Diseases:** mirror foot (MONDO:0017459)

## Full-text entities

- **Diseases:** genetic syndromes (MESH:D030342), Mirror Foot (OMIM:157600), complex (MESH:D048090), malformations (MESH:C564254), foot polydactyly (MESH:D017689), congenital anomaly (MESH:D000013), deformities (MESH:D009140), bone deformities (MESH:D001847)
- **Species:** Homo sapiens (human, species) [taxon 9606]

## Full text

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## Figures

5 figures with captions in the complete paper: https://tomesphere.com/paper/PMC11193576/full.md

## References

8 references — full list in the complete paper: https://tomesphere.com/paper/PMC11193576/full.md

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Source: https://tomesphere.com/paper/PMC11193576