A New Technique for Correction of Tethered and Depressed Scars: Layered Dermal Support.

BACKGROUND: Many methods have been used for correcting tethered and depressed scars, but most of these methods have had unsatisfying results and ended up with recurrence. The aim of this study is to present a new surgical technique that overcomes these problems. MATERIALS AND METHODS: Twenty-two depressed scars were corrected using the layered dermal support technique. With this technique, the depressed part of the scar is deepithelialized and used in a layered fashion to support the skin flaps. RESULTS: All of the patients were evaluated 1 year postoperatively. There was no recurrence of tethering or depression. CONCLUSION: The layered dermal support technique is a relatively quick procedure that uses only basic plastic surgery principles. It offers a good solution for the correction of tethered and depressed scars without recurrence. LEVEL OF EVIDENCE V: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

Hatchet Flap: Clinical Evaluation of Results in Reconstruction of Lateral Nasal Region Defects.

Hatchet rotation-advancement flap is a well-known flap design, which is a worthwhile option in the reconstruction of lateral nasal region skin defects. In this study, the author's experience with 3 different designs of hatchet flaps, for the reconstruction of the defects in 3 different parts of the lateral nasal region, has been presented. All flaps in 31 clinical cases were planned from the cheek and nasolabial region. For the defects in the upper 1/3 part, flaps were planned in advancement type, for the middle 1/3 part, flaps were planned in rotation-advancement type, and for the lower 1/3 part, flaps were planned in rotation type. Satisfactory results were achieved in all patients except in patients having defects in the lower 1/3 part. In reconstruction of lateral nasal region defects, hatchet flap has different advantages such as versatility, better tissue match, and short final scar in the nasolabial fold. When planned in rotation type, for the lower 1/3 part, the ratio of complications increases significantly, which necessitates considering other flap options as the first-line choice of reconstruction for this region.

Comparison of the histopathological findings of patients with diabetic and idiopathic carpal tunnel syndrome.

PURPOSE: This study is aimed to investigate whether there are any histopathological differences between diabetic and idiopathic carpal tunnel syndromes. METHODS: The biopsy specimens were taken from transverse carpal ligament (TCL), tenosynovium adjacent to median nerve and epineurium of median nerve and evaluated in 47 patients (21 diabetic and 26 idiopathic) who were diagnosed with carpal tunnel syndrome (CTS) and treated surgically with open carpal tunnel release. Fibroblast proliferation, fibrosis, perivascular inflammation, oedema, vascular proliferation and vascular wall thickness were determined and scored in all specimens. RESULTS: There weren't any histopathological abnormalities in TCL specimens of both groups. Synovial hyperplasia, fibrosis and perivascular inflammation were not observed in tenosynovial analysis of both groups. Diabetic CTS patients, when compared with idiopathic CTS patients, had higher rates of synovial edema (idiopathic CTS 57 %, diabetic CTS 87 %), vascular proliferation (idiopathic CTS 30.8 %, diabetic CTS 90.5 %) and increased vascular wall thickness (idiopathic CTS 11.5 %, diabetic CTS 90.5 %). There was no oedema, fibrosis and perivascular inflammation of the epineurium in specimens of either group. But increases in vascular proliferation (idiopathic CTS 7.7 %, diabetic CTS 71.4 %) and vascular wall thickness (idiopathic CTS 3.8 %, diabetic CTS 71.4 %) was seen in the epineurium of diabetic patients and these differences were statistically significant (p < 0.05). CONCLUSION: Because of the severe synovial and epineurial histopathological abnormalities and inadequate neural regeneration capacity, surgical open carpal tunnel decompression should be planned earlier in diabetic CTS patients. Further studies should be considered to evaluate the histopathological features of diabetic CTS patients early in the course of the disease.

Management of pulse oximeter probe-induced finger injuries in children: report of two consecutive cases and review of the literature.

Pulse oximetry is a standard noninvasive procedure for monitoring arterial oxygen saturation. Finger injuries related to pulse oximeter use have been reported as chemical or thermal burns, sun-tanning, pressure erosion, sensory loss, and gangrene. The mechanisms of these complications have not been definitively explained; but pressure ischemia, prolonged use, overheating of the probe, inappropriate use of the probe, and short circuiting are considered to be the main factors. We describe 2 cases of pulse oximeter probe-induced finger injuries, propose the possible mechanisms and factors related to the injury, and discuss the management.