F. Feyyaz Akyildiz

Aneurysmal bone cyst of metacarpal

expansile lesion which comprises 1% of all bone tumors [1]. Its occurrence in metacarpals is extremely rare. To our knowledge, only eight cases have been reported, none of them in the radiologic literature; the most recent one was diagnosed in 1988 and reported with only plain film findings [2]. We present this case of aneurysmal bone cyst located in a metacarpal with plain film, computerized tomography, and digital subtraction angiography images.

A new technique for aneurysmal bone cysts of the proximal humerus: cortical collapsing

OBJECTIVES We evaluated the results of a new technique developed for aneurysmal bone cysts centrally located in the proximal humeral metaphysis leading to widespread destruction. METHODS The study included seven patients (5 boys, 2 girls; mean age 12.8 years; range 9 to 15 years) who were treated with cortical collapsing and massive fibular autograft for centrally located aneurysmal bone cysts in the proximal humeral metaphysis leading to widespread destruction. All the patients had type II and active tumors according to the criteria of Capanna et al. and Campanacci et al., respectively. Final evaluations included six patients because one patient was lost to follow-up. The mean follow-up period was 49 months (range 12 to 105 months). RESULTS No complications were seen in the early postoperative period. Radiographic examination showed partial recurrence in two patients; of whom, one patient underwent curettage and bone grafting in the postoperative second year because of pain and discomfort. No deformity was observed. One patient developed shortening of 0.5 cm. Radiographically, all the patients exhibited metaphyseal remodelling one year after surgery. Function of the shoulder joint was near-normal in all the patients. CONCLUSION In this technique, cortical collapsing reduces the amount of bone graft used, and massive fibular strut grafting provides structural support to prevent deformities.

Thiamine Status in Patients Undergoing Lower Extremity Amputation due to Diabetic Foot Lesion

The aim of this study was to determine the thiamine status in patients undergoing major lower limb amputation due to diabetic foot lesion. Ten patients with diabetic foot lesion, ten diabetic patients without foot lesion, and ten non-diabetic patients were included in the study. Thiamine status was determined as thiamine pyrophosphate (TPP) effect. The mean TPP effect values of diabetes mellitus foot lesion (DM foot) , DM control, and non-diabetic control groups were 16.160 ± 3.276, 13.610 ± 1.767, and 6.912 ± 2.005 respectively. There was a statistically significant difference between the DM foot and non-diabetic control groups. Although the mean TPP value of the DM foot group was slightly higher than the DM control group, it was not significant. Since transketolase enzyme is thought to be one of the key points in development of diabetic complications, to lessen the diabetic complication by maximizing the transketolase function, we recommend regular supply of thiamine to the diabetic population.