PMC8612784_01
A case of symptomatic medial bone excrescence of the distal phalanx of the hallux after the metatarsophalangeal joint arthrodesis. Anteroposterior foot radiographs before surgery (a) and one year after surgery (b). Magnified images showing obscure excrescence before surgery (c), defined excrescence after arthrodesis (d), and disappeared excrescence after excision (e). Arrowheads indicate the bone excrescence.
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Hallux valgus angle and intermetatarsal angle between 1st and 2nd improved from 48 to 16 degrees and from 21 to 16 degrees after the surgery, respectively (Figure 2). Surgical excision of the excrescence was performed with the removal of the metal implant for the MTP joint arthrodesis (Figure 2).