1.Osteoid Osteoma of the Capitate with Extensor Tenosynovitis.
Sang Wook BAE ; Han Sang LEE ; Yun Sun CHOI ; Baek Yong SONG
Journal of the Korean Society for Surgery of the Hand 2013;18(3):138-142
An osteoid osteoma is a benign bone tumor. It is most commonly found in the femur and tibia but only 5% to 15% occurs in hand. Osteoid osteoma of carpal bone has vague nature of symptoms including spontaneous dull aching causing delayed diagnosis and the late treatment. We had a patient with an osteoid osteoma of the capitate bone presenting with tenosynovitis. We present clinical and radiological findings including magnetic resonance imaging, surgical result, and a review of the current literature.
Bone Neoplasms
;
Capitate Bone
;
Carpal Bones
;
Delayed Diagnosis
;
Femur
;
Hand
;
Humans
;
Magnetic Resonance Imaging
;
Osteoma, Osteoid
;
Tenosynovitis
;
Tibia
2.Stress Fracture of the Capitate
Hyung Joon CHO ; Ki Taek HONG ; Chang Ho KANG ; Kyung Sik AHN ; Yura KIM ; Sung Tae HWANG
Investigative Magnetic Resonance Imaging 2018;22(2):135-139
Most capitate fractures occur in association with additional carpal injuries, particularly scaphoid fractures. Isolated fractures of the capitate account for only 0.3% of carpal injuries, and stress fractures are one form of this fracture. We report the case of a 20-year-old male who had a stress fracture of the capitate after serving as an honor guard in the military. Conventional radiographs and computed tomography of the right wrist revealed a minimally displaced fracture line located at the midcarpal aspect of the right capitate. A magnetic resonance imaging scan demonstrates a subarticular capitate fracture with diffuse bone marrow edema, small osteophytes, and irregularity of the midcarpal articular cartilage. We also review the carpal kinematics which possibly caused the stress fracture. Although stress fractures of the capitate are rare, they should also be accounted for with patients who perform repetitive motions of the wrist to a considerable extent.
Biomechanical Phenomena
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Bone Marrow
;
Capitate Bone
;
Carpal Bones
;
Cartilage, Articular
;
Edema
;
Fractures, Stress
;
Humans
;
Magnetic Resonance Imaging
;
Male
;
Military Personnel
;
Multidetector Computed Tomography
;
Osteophyte
;
Wrist
;
Young Adult