Authored by Huseynov ZKh
Abstract
The article describes the case of successful single-stage substitution of sub-total defect III metacarpal bone graft III metatarsal bone after radical sub-total resection of the affected area Distal part of the 3rd metacarpal bone, due to osteoblastristoma. The peculiarity of this case is the momentary substitution of the defect of the distal joint head of the 3rd metacarpal bone with the help of a similar Graft III metatarsal bone. Radical resection of the unit of the affected sub-total segment of the metacarpal bone allows to minimize the risk of local relapse. One-moment compensation of the defect in the same Graft III metatarsal bone allows not only to restore the lost anatomy, but also to achieve the desired cosmetic and functional effect.Keywords: Osteoblastoclastoma; Resection of the affected segment of metacarpal bone; Avascular bone-articular autograft of the metatarsal bone; Reconstruction of the bone defect of the metacarpal bone.
Introduction
The actuality. The giant tumor lesion of the bones or osteoclstomoma refers to a group of benign tumors with a local aggressive current [1]. The tumor is rarely localized in the metacarses with a frequency ranging from 1% to 5.5% of cases [2].The lesion of the metacarpals is accompanied by excessive destruction of bone tissue and is more common at a young age, while other localizations affect people at older ages [1,2]. The tumor can affect any metacarhip bone and, as a rule, does not go beyond its bony-articular limits. Patients are more often treated during the period when the tumor spreads beyond 3-6 cm on the length of the metacarpal bone, with the presence of volumetric formation with globular or ellipsoid contour without perirest reaction [3,4]. Local relapse after Curettage tumor with subsequent/or without bone plastics have a tendency to relapse with a probability of up to 90% [3-6]. In this regard, the block radical resection of the tumor within the healthy bone tissue is a common standard of treatment [3-6]. After radical resection of the affected block of metacarpal bone there is a problem of its substitution. The involvement of one or both joint heads of metacarpal bone in the process poses a difficult task for the surgeon in choosing the optimal transplant for the rehabilitation of the brush function. At present, in such cases, the autografts, Allo-or Xeno grafts are used [5-15]. The article describes the case of substitution of the metacarpal bone defect with the involvement of the distal joint head with the help of bonearticular autograft III metatarsal bone.
Materials and Methods
A young patient aged 21 years with sub-total destruction III was admitted to the Clinic of reconstructive Surgery of the Republican Scientific-Clinical center of Cardiovascular Surgery. Metacarpal bone with the involvement of the distal joint head. X-rays, magnetic resonance imaging, puncture biopsy were performed for the purpose of diagnostics. The tactic of treatment was discussed by the staff of the Republican Oncology dispensary together with the specialists of the Department.The stationary tumor formation of spherical-epileptoid form of firm consistence in diameter about 3.5 sm (Figure 1) is determined locally. On the layered pictures. The almost complete destruction of the distal joint head of the 3Rd metacarpal bone of the right hand with the defeat of the Diophone with the spread of the tumor during 3.5 cm (Figure 2) was established.
Result
After careful determination of the volume of lesion of the 3rd metacarpal Bone, a surgery consisting of the following elements was planned:a. Sub-total resection of the 3rd metacarpal bone together with distal joint head;
b. One-moment replacement of defect by bone-articular autograft III metatarsal bone from the right foot;
c. Fixation of bone graft to the proximal part III of the metacarpal bone, the spoke of Kirshner;
d. Fixation of the third finger of the donor foot zone.
Under the general ETN the operation with involvement of 2 brigades of surgeons is executed. In the donor zone, the brigade of oncologists with a zigzag layer of 7 cm began to allocate a block of the affected metacarpal bone of the right bone (Figure 3,4). After the full mobilization of the metacarpal with the dissection of the heel-phalange capsule and the mobilization of the distal joint head with an indentation of 1.5 cm from the edge of the tumor with the help of a saw Jigley, the affected bone is reseccioned. On the stump of the base of the metacarpal bone a healthy tissue with the uninjured bone marrow was determined. The length of the cut-out block of the metacarpal bone together with the joint head amounted to 41 mm. The Rescivial area is presented in the form of a macro preparation of rounded form, with pseudo-capsule, forms in diameter of 3.5 cm, on section there is an intraossetic lesion of a particular end more than 1.0 SM and subtotal defeat of a bone during (Figure 5).
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