TY - JOUR T1 - Don’t avoid the sesamoids: fracture to the ulnar sesamoid of the first metacarpophalangeal joint JF - Emergency Medicine Journal JO - Emerg Med J SP - 184 LP - 184 DO - 10.1136/emj.2007.053579 VL - 25 IS - 3 AU - C M Connolly AU - J Alsousou AU - S Hassan AU - N W Williams Y1 - 2008/03/01 UR - http://emj.bmj.com/content/25/3/184.1.abstract N2 - Existing literature indicates that fractures of the first metacarpophalangeal joint (MCPJ) sesamoids are uncommon. However, it is our supposition that this injury may be under reported because it is not clinically suspected and because standard x rays (anteroposterior and lateral views) may not demonstrate the fracture.The ulnar and radial sesamoids transmit the pull of the flexor pollicis brevis and adductor pollicis brevis to the proximal phalanx of the thumb. They are fractured … ER -