Symptomatic Coalition Between the First and Second Metatarsals in a Child

Distal metatarsal coalition: A rare case report

“…Tarsal coalition is the commonest, majority of which affects the calcaneonavicular and talocalcaneal joints [1] . Metatarsal coalition remains extremely rare [1–6] , with our case being the second documented case of coalition occurring at the level of distal metatarsal.…”

“…Perman and Wertheimer [7] classified coalition as congenital or acquired. Most reported cases are congenital coalition between the bases of fourth and fifth [1–3] ; or first and second metatarsal bones [4,5] . With only one other case in the literature [6] , our case adds to the literature the second case of 4th and 5th congenital distal metatarsal coalition.…”

Metatarsal Coalition Complicated by Interdigital Neuroma

“…Coalition of the metatarsal bones is uncommon relative to tarsal coalition. Most of the reported cases involve coalition between base of fourth and fifth or first and second metatarsal bones [ 4 , 5 , 6 ]. Other type of coalition may coexist.…”

“…Boccio et al [ 4 ] reported a 28 year old male patient with coalition between medial and middle cuneiform, navicular-cuboid and base of fourth and fifth metataral bones, whose main complaint was trouble finding suitable shoes. Other reported symptoms include pain at bony prominence or pain with long period of standing [ 4 , 5 , 6 ].…”

“…At rest, his forefoot is mildly supinated and when he walks, he bears weight abnormally on the second and third metatarsal heads instead of first. Proper weight distribution requires normal relationship between the metatarsal bones [ 5 ]. Interestingly, the patient reports that his father has the same bony prominence at the same location and the same foot.…”