Publications by authors named "Narihito Kodama"

Objective: The purpose of this study was to clarify the clinical outcomes of spontaneous anterior interosseous nerve palsy (AINP) treated nonsurgically or surgically.

Methods: The authors retrospectively evaluated the clinical course of 27 patients affected with AINP, treated nonsurgically or surgically. Thirteen patients underwent surgical treatment (interfascicular neurolysis), and 14 patients underwent conservative nonsurgical treatment.

View Article and Find Full Text PDF

Partial growth plate arrest caused by trauma may lead to severe deformity and dysfunction. The Langenskiöld method is a surgical technique that involves resection of the physeal bar causing partial growth plate arrest. However, it is a technically demanding procedure.

View Article and Find Full Text PDF

The CIC gene rearrangement exists in a subset of small round cell sarcomas. As the nosologic relationship of these sarcomas to Ewing sarcomas remains undetermined, we examined 20 CIC-rearranged sarcomas to compare their clinicopathologic features with those of Ewing sarcomas. The CIC-rearranged sarcomas were from a group of 14 men and 6 women with a median age of 24.

View Article and Find Full Text PDF

Purpose: To describe the operative procedure and report the clinical outcomes of articular surface reconstruction for various hand joint disorders using autologous osteochondral grafts from the knee.

Methods: Ten patients underwent articular surface reconstruction for hand joint disorders with autologous osteochondral grafts from the patellofemoral joint. Mean patient age was 35 years (range, 15-52 y).

View Article and Find Full Text PDF

We present the case of a 71-year-old, left-handed woman with left thumb carpometacarpal (CMC) joint arthritis. The patient had no pain and could use the hand actively in daily life with a new option of surgical treatment, a vascularized pedicled third CMC joint transfer to the thumb CMC joint.

View Article and Find Full Text PDF

Purpose: To evaluate the usefulness of ultrasonography for measurement of functioning free muscle transfer strength and estimate the capacity and potential of ultrasonography measurement.

Methods: Twenty-five patients underwent functioning free muscle transfer for brachial plexus injury. The cross-sectional areas (CSAs) of the transferred muscle and the contralateral gracilis (control) were measured using ultrasonography.

View Article and Find Full Text PDF

Background: Evaluating the outcomes of operative treatment for metacarpal and phalangeal fractures in athletes returning early to play and discussing the more effective methods that permit rapid early return to athletic activity.

Methods: We retrospectively identified a total of 105 metacarpal or phalangeal fractures in 105 athletes with conservative or operative treatment in our department. Of these, 20 athletes required an early return to sport because of a pending important game in their competition within 1 month after injury.

View Article and Find Full Text PDF

Purpose: To assess the accuracy and ability of ultrasound for monitoring closed reduction for distal radius fractures.

Methods: Consecutive patients undergoing ultrasound-guided closed reduction of acute, displaced distal radius fractures between January 2003 and December 2006 at our department were enrolled. The control group was extracted from patients who underwent a closed reduction for similar fractures under fluoroscopy or without any imaging assistance.

View Article and Find Full Text PDF

Background: There is a conflict in the treatment of distal radius fractures in elderly patients, because fracture reduction does not appear to be as strongly associated with functional outcomes as in younger patients. The purpose of this study was to evaluate radiographic findings of acceptable reduction without leading to wrist dysfunction and poor outcomes.

Methods: Fifty-two active and healthy elderly patients with conservatively managed distal radius fractures were included in the study.

View Article and Find Full Text PDF

Carcinosarcoma is defined as a malignant neoplasm that is composed of both carcinomatous and sarcomatous components. The occurrence of carcinosarcoma in the bone is extremely rare. In this report, we describe the third documented de novo case of carcinosarcoma of the bone.

View Article and Find Full Text PDF

Purpose: To design an easy-to-use guide for decision making in distal radius fractures in patients older than 50 years and to retrospectively analyze its ability to predict treatment in 164 patients.

Methods: The present study consisted of 4 parts. The first part was a review of the literature to identify possible important factors that predict treatment outcome of distal radius fractures in patients 50 years old and older.

View Article and Find Full Text PDF

Triggering of the flexor tendon at the wrist is rare. We report a case of intrasynovial lipoma that caused a trigger wrist. As far as we know it is unique in that the intrasynovial lipoma simultaneously caused carpal tunnel syndrome.

View Article and Find Full Text PDF

This study focuses on the application of ultrasonography as a means of measuring the cross-sectional area (CSA) of the transferred muscle and evaluating its force recovery following functioning free muscle transfer. The objective of the study was to compare the CSA of a transferred muscle that is either reinnervated by the spinal accessory nerve (SAN) or the intercostal nerve (ICN), and to evaluate the difference in their force recovery. Ten patients with complete avulsion of the brachial plexus who underwent a double free muscle technique for restoring prehensile function were evaluated.

View Article and Find Full Text PDF

The authors present the use of osteochondral autografting with mosaicplasty technique performed on a 20-year-old man for a large osteochondral talar dome lesion. The patient had sustained a right ankle sprain many times while playing rugby football. The lesion measured 15 mm in diameter and encompassed more than one-third of the articular surface.

View Article and Find Full Text PDF