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Ulnar dysmelia is a congenital anatomic disorder characterized by abnormal development of the ulna and subsequent distal bones. This rare disorder has a heterogeneous presentation in patients described in the literature. We present the case of a 23-year-old woman with ulnar dysmelia who lacked the ulnar attachments of the transverse carpal ligament and developed carpal tunnel syndrome at a relatively young age, requiring carpal tunnel release. This case report presents an interesting and unique cause of carpal tunnel syndrome and reviews the literature on ulnar dysmelia.

Case: A 75-year-old woman with osteoporosis sustained a low-energy mechanism tongue-type calcaneus fracture. Index surgical fixation with conventionally described cannulated screws was complicated by early screw pull-out despite concomitant Achilles lengthening procedure. Using a novel technique, revision fixation was performed using a 5.0-mm condyle bolt from a retrograde femoral nail system and 2 cannulated screws. She recovered uneventfully and demonstrated union at 7 months postoperatively., Conclusion: Osteosynthesis of tongue-type calcaneus fractures using a condyle bolt can be a practical and readily available solution for primary and revision scenarios in osteoporotic tongue-type calcaneus fractures., Competing Interests: Disclosure: The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (http://links.lww.com/JBJSCC/B338)., (Copyright © 2020 by The Journal of Bone and Joint Surgery, Incorporated.)