Investigation into a new denervation model of the sciatic nerve zones in rats: Selective motor or sensorial denervation.

Objective: This study aimed to introduce a reliable and useful model of selective sensorial or motor denervations of the sciatic nerve in rats with clinical and laboratory outcomes.

Methods: The surgical technique was determined via detailed cadaveric dissections of rat sciatic nerve roots and cross-sectional histoanatomy. Forty animals were divided into the sham, sensorial denervation (SD), motor denervation (MD), and combined denervation (CD) groups and evaluated clinically via the pinch test and observation.

Hand injuries with mole gun: A hidden danger.

Background: Mole guns are handmade destructive tools used in the fight against harmful rodents in agricultural areas. Acciden-tal triggering of these tools at the wrong time can result in major hand injuries that impair hand functionality and cause permanent hand disability. This study aims to draw attention to the fact that mole gun injuries cause severe loss of hand functionality and that these tools should be considered within the scope of firearms.

The Use of the Free Iliac Bone Flap by Shaping Like Puzzle for a Wide Alveolar Defect in a Bilateral Cleft Lip and Palate with Rudimentary Premaxilla.

Secondary alveolar bone grafting may not be feasible in a considerable number of patients who have cleft lip and palate, mainly because of the requirement for sizeable bony restitution and the insufficient amount of soft tissue for reliable coverage. Bone transport distraction and free vascularized bone transfers are the salvage techniques for treating these deformities and accomplishing successful bone grafting. This report presents a case of bilateral cleft lip and palate with a large palatoalveolar fistula and a rudimentary premaxilla after prior failed attempts at bone grafting.

Risk factors for complex regional pain syndrome in patients with surgically treated traumatic injuries attending hand therapy.

Study Design: Prospective cohort study.

Introduction: Identification of risk factors for CRPS development in patients with surgically treated traumatic injuries attending hand therapy allows to watch at-risk patients more closely for early diagnosis and to take precautionary measures as required.

Purpose Of The Study: The aim of this study was to evaluate the risk factors for the development of complex regional pain syndrome (CRPS) after surgical treatment of traumatic hand injuries.

Rehabilitation of the Work Accident-Related Traumatic Mandible With Iliac Free Flap, Distraction Osteogenesis, and Dental Implants.

Mandibular bone defects due to extensive trauma impair occlusion and affect the aesthetics of facial contouring, making it difficult to obtain a satisfactory outcome. Distraction osteogenesis and free flap is an effective and aesthetic treatment option for rehabilating these defects. In this clinical report, the authors present rehabilitation of a wide mandibular traumatic defect due to a work-related accident with iliac free flap, distraction osteogenesis, and dental implants.

A new total hemiface allotransplantation model in rats.

Introduction: Vascularized composite allotransplantation (VCA), a new reconstructive option for patients suffering from extensive facial defects leads to superior functional and aesthetic outcomes compared to the standard autologous reconstruction. Among VCA recipients, each case involves different facial structures and tissues depending on the patient's injury, thus drawing conclusions on the mechanism of immune interactions between the donor and recipient is challenging. This study introduces a new total hemiface VCA model, including scalp, external ear, mystacial pad, premaxilla, upper/lower lids, nose, and upper/lower lips to evaluate the effect of transplantation of multitissue VCA on the recipient's immune response.

Morphological and morphometric evaluation of the ilium, fibula, and scapula bones for oral and maxillofacial reconstruction.

This study aimed to evaluate the osteometric boundaries of the ilium, fibula, and scapula beyond which reconstruction of oromandibular and craniofacial defects, using these free flaps, may not be optimal. Fibula, scapula, and iliac bones were obtained bilaterally from 33 female and 27 male European adult cadavers (n = 60). Adapting classical anthropometric methods to surgical needs by modifying the measuring bone localizations and measurement points, a measuring system of osteometry and morphometry was used, to quantify the usable bone length of the iliac crest, fibula, and lateral border of the scapula and to localize an oval region (OR) in the ilium.

Comparison of different autogenous graft materials for reconstruction of large segment vas deferens defect: experimental study in rat.

Purpose: Vasectomy is one of the most common urological operations performed, and provides permanent contraception. Many vasectomized men ultimately seek vasectomy reversal because of unforeseen changes in lifestyle. Vasovasostomy has varying rates of success.

Morphometric study of the scapular free flap and the free rib osteomyocutaneous flap.

The scapula free flap is often the first choice for reconstruction of bony defects of the facial skeleton. However, the vascularised rib as part of a free rib osteomyocutaneous flap may be a suitable second choice. We have investigated the morphology and clinical dimensions of the 7th rib and the scapula, and the ability of the available bone to carry dental implants.

Comparative clinicoanatomical study of ilium and fibula as two commonly used bony donor sites for maxillofacial reconstruction.

We assessed the morphological characteristics and dimensions of the ilium and fibula to evaluate the suitability of particular areas of bone for use as donor sites for dental reconstructions that carry implants. We measured the dimensions of 130 bilaterally harvested ilium and fibula bones from 65 adult cadavers using osteometric methods, and analysed the effects of age, sex, and side. Dimensions at measuring points, overall suitability for implantation, and relations among age, sex, and side, were evaluated statistically.

Effectiveness of topical immunosuppressants in prevention and treatment of rejection in face allotransplantation.

Background: The use of topical immunosuppressants has been anecdotally reported for the treatment of rejection in vascularized composite allotransplantation. The aim of this study was to evaluate the effectiveness of topical tacrolimus and clobetasol in the prevention and treatment of rejection.

Methods: Seventy-six hemiface allotransplants, between ACI (RT1) donors and Lewis (RT1) recipients, were performed in 11 groups and treated with topical tacrolimus or clobetasol, or in combination with systemic cyclosporine A and anti-αβ-T-cell receptor antibody for 1 week.

Misdiagnosed widespread eosinophilic granuloma of the mandible.

Eosinophilic granuloma is the most common expression of Langerhans cell histiocytosis and corresponds with typical bone lesions. Early clinical signs can occur in the mandible and can cause extensive destruction of the periodontal tissues. Pathologic fracture is an unusual finding.

Myxoma of the dorsal hand.

Myxomas of the hand are rare tumours and the diameters are usually smaller than 2 cm. In this report we describe the biggest reported myxoma that localised on the dorsal hand and the comprehensively review of hand myxomas. This case is to our knowledge the first hormone-receptor-positive myxoma of the hand.

Long-term survival of composite hemiface/mandible/tongue allografts correlates with multilineage chimerism development in the lymphoid and myeloid compartments of recipients.

Background: To maximize aesthetic and functional outcomes for complex craniofacial defects, application of composite tissue allografts opens unique one-stage reconstructive option. We have assessed role of different components of the hemiface/mandible/tongue allograft on induction and maintenance of donor-specific chimerism, in correlation with allograft survival.

Methods: Twenty-two composite hemiface/mandible/tongue transplantations were performed in three groups: group 1 (n=8)-isotransplantations between Lewis (LEW) rats (RT1)-served as controls.

Hemodynamic differences in blood flow between free skin and muscles flaps: prospective study.

We used Doppler ultrasound to evaluate postoperative hemodynamic changes in blood flow in skin (n = 11) and muscle (n = 4) flaps. The minimum velocities, resistance indexes, and diameters of the pedicle, the recipient, and control artery (the corresponding contralateral artery that served as a recipient vessel) were recorded intraoperatively and at 10 days, 1 month, 3 months, 6 months, and 12 months after surgery. The minimum velocities and blood flow in recipient and pedicle arteries in both groups increased after flap transfer.

Thrombotic effect of purposeful back-wall stitch for end-to-side microarterial anastomosis in rats.

The accidental placement of a back-wall stitch is a mistake easily made by microsurgeons during an end-to-side (ETS) anastomosis, which is technically more difficult compared with an end-to-end (ETE) anastomosis. The thrombogenic effects of a back-wall stitch may aggravate the already existing turbulence and therefore thrombus-prone ETS anastomosis. We investigated this dangerous combination by applying a purposeful back-wall stitch model (PBWS) in an ETS microarterial anastomosis model in various configurations the rat carotid and femoral arteries.

Soft tissue augmentation for restoration of facial contour deformities using the free SCIA/SIEA flap.

Reconstruction for facial contour deformities is still a challenging process and treatment for most cases is achieved only by soft tissue augmentation. The use of free tissue transfer offers the advantage of one step vascularized soft tissue augmentation. This article summarized the authors' use of de-epithelialized free superficial circumflex iliac artery/superficial inferior epigastric artery flap for facial contour deformities.

Fat tissue as a new vascular carrier for prefabrication in reconstructive surgery: experimental study in rats.

Several vascular carriers for different tissues were used for the purpose of fat tissue prefabrication. However, the inguinal fat pad in rats can be elevated with a vascular pedicle and considered as a vascular carrier. To the best of our knowledge, the fat tissue in rats as a vascular carrier has not been reported in any experimental studies to date.

Lymphoscintigraphic drainage of acral limb skin to interval sentinel lymph nodes in healthy subjects.

Background And Objectives: In the literature, drainage to epitrochlear and popliteal sentinel lymph nodes (SLN) are analyzed for whole or distal extremity (below elbow or knee) melanomas that are not topographically homogeneous with respect to tendency of drainage to interval SLNs. We hypothesize that acral (hand and foot) skin has a uniform frequency of drainage to interval SLNs, which is higher than reported for distal extremity melanomas.

Methods: One hundred healthy subjects were enrolled.