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Biomedical subjects

M H Sy

Publications and source records attributed to M H Sy.

At least 19 recordsLinked to original sources

[Penetrating wound of the abdomen. Profile of the suffering patient at Dakar teaching hospital].

INTRODUCTION: In Senegal, the rate of penetrating wound of the abdomen seems to be in great progression. The purpose of this study was to make a descriptive analysis of the epidemiological data on the patient suffering from a penetrating wound of the abdomen. MATERIAL AND METHOD: It is about a retrospective study performed on a 5 years period from January 1997 to January 2002. This study covered 90 cases of penetrating wounds of the abdomen listed at the emergency department of Dakar teaching hospital. The rate, age, sex, responsible agent, circumstances of the wound, place of the injury, evacuation mode, time of admission and check-up injury were studied. RESULTS: The average absolute rate of the penetrating wounds of the abdomen was 18 cases per year. The average age was about 27 +/- 10 years with 88 men for 2 women. The responsible agent was a knife (87%), a firearm (6%), a broken glass (4%), a bullock horn (2%) and a piece of iron (1%). Circumstances of the injury was aggression (91%), accident (6%), self-mutilation (2%), suicide attempt (1%). Evacuation was done by firemen (60%), by the ambulances of the medical structures (22%), and by private individuals (18%). The average time of admission was 5 hours. Nearly 61% of the wounds were located in the umbilical, epigastric, left hypochondre and left side areas. Wound was single in 93,4% of cases and linear in 71,8% of cases. We noted an exit of epiploon (38 cases), peritoneal signs (13 cases) and a small bowel evisceration (9 cases). The treatment was a systematic laparotomy (68%) and a simple closure of the wound with a good follow-up for any further aggravation (32%). CONCLUSION: The patient admitted at the surgical emergency unit of Dakar teaching hospital for penetrating wound of the abdomen is generally a young man, victim of aggression by knife, evacuated by firemen within 5 hours, which present a single and linearwound in perish-umbilical area with exit of epiploon and/or small bowel evisceration, which would undertaken a surgical operation in 68% of cases.

Abdominal Injuries↗

[Cranial and cervical vertebral mycetoma. Report of three cases].

Mycetomas inflammatory-like tumors presenting as fistulas found in the skin and soft tissues. Inoculation, generally in tropical areas, occurs by skin injury. The foot is the main infection site. Other uncommon infection sites include the cranial and cervical areas which are rare. We present three cases of cranial and cervical mycetoma. Clinical sign were dominated by headache, cervical pain and cervico-occipital tumefaction with formation of pus and granules (red in two cases, black in one). A motor deficit was noted in one patient. Radiographic examinations including CT scan showed extensive mass lesions, associated with bone destruction. Laboratory tests identified Leptospheria senegalensis in one patient and Actinomadura pelletieri in two. A medicosurgical procedure was performed. The course was unfavourable in one patient. Several factors are important for treating such infections: early diagnosis, improvement of the social and economic environment, use of new drugs.

Adolescent↗

[Femoral neck fracture complicating orthopedic reposition of a dislocated hip: four cases].

Posterior dislocation of the femoral head with fracture is an exceptional hip injury. Emergency reduction is required. Reposition into the acetabular cavity of the dislocated femoral head may not be feasible. Irreducibility, instability, and more rarely accidental fracture of the femoral neck may also occur. We encountered this latter complication in four patients and report here its frequency and mechanism and propose preventive therapeutic measures. Seventy dislocations and fracture-dislocations of the hip were treated in our unit from March 1997 to February 2003. Among these cases, fourteen hip dislocations were complicated by femoral head fractures. Fracture of the femoral neck occurred during reduction in four. All four cases occurred in men, mean age 49.7 years, who were traffic accident victims (drivers or passengers). There were two Pipkin IV fracture-dislocations and two Pipkin II. The first reduction, achieved under general anesthesia in an emergency setting, was performed by an orthopedic surgeon in one patient and a general surgeon in three patients. Arthroplasty was used to treat the femoral neck fracture in three patients and pinning in one. We reviewed retrospectively the clinical and imaging data before and after reduction. Sub-capital fracture situated 4.0 cm (mean, range 3.5-4.5 cm) from the lesser trochanter occurred in all four cases. The head remained attached above and posteriorly to the acetabulum and was rotated less than 90 degrees . The fragment remaining in the acetabulum was displaced in two cases. In one patient, the fracture-dislocation of the head was associated with a fracture of the posterior rim of the acetabulum. This complication appears to result from an abrupt inappropriate reduction movement. The neck fracture would occur when capsulomuscular retention of the femoral head is associated with a head defect which catches on the rim of the acetabulum during the reduction movement. Neck fracture during reduction of traumatic hip dislocation is a serious complication. Prevention of this iatrogenic event requires a slow, progressive reduction limiting the trauma to a minimum; first intention open surgery may be required in selected cases.

Accidents, Traffic↗

[Evaluation of the management of femoral shaft fractures in children by flexible intramedullary nailing].

The purpose of this study was to evaluate the morphological and functional outcomes of femoral shaft fractures of the child using a centromedullary elastic nailing. We led a retrospective study including 22 children operated from January 1997 to December 2000 at the surgical emergency department of "Hôpital Aristide Le Dantec". The follow-up was made in the department of paediatric surgery. The patients included 16 boys and 6 girls presenting a total of 23 femoral shaft fractures. The main circumstance was traffic accident(15 cases). All the children underwent an ascending centromedullary elastic nailing controlled by a C-arm after a period of traction. The outcomes were appreciated after a period of 10 months. We observed: A union in all cases, four infections well managed by antibiotics, one vicious callus of 15 degrees, a mobility limitation of knee in two cases (45 degrees and 100 degrees), an inferior limb length inequality in one case, scabs in one patient who died at the 3rd month of a septicopyohemia. The functional evaluation of the outcomes (flexion, extension, limb length inequality) and morphological outcomes (axis, consolidation) showed 21 good results and one bad result. The centromedullary elastic nailing is a safe procedure owing to the low complication rates and the rapid consolidation allowing an early walk in femoral shaft fractures, compared with the orthopaedic treatment.

Accidents, Traffic↗

[Sternoclavicular dislocations: clinical and therapeutic study. A report of 9 cases].

Sterno-clavicular dislocations represent an uncommon pathology in shoulder trauma. The authors describe the anatomical and clinical forms observed between January 1999 and December 2002, and evaluate the treatment process. The retrospective study addressed 9 patients (men only) with an average age of 26.6. Based on the duration of the consulting period, one could distinguish old forms from more recent ones. Diagnosis would help to see anterior forms from posterior forms. Evaluation criteria were: pain, mobility of the shoulder, visibility of the deformation of the sterno-clavicular joint. Six types of anterior dislocations were listed, including 4 recent and 2 old ones. There were 3 recent posterior forms. The anterior recent forms, which were treated in orthopedics, showed a positive evolution. As there was no functional disability, it was wiser to refrain from any treatment of the anterior old forms. The posterior forms, two of them were operated (osteosynthesis) revealed no functional deficit after treatment. However, one of the patients had a broken implant. Scanner facilitated the diagnosis of sterno-clavicular dislocations. The anterior forms, which are more frequent and benign, are different from the posterior forms, which are emergency cases due to the proximity of the aero-digestive and cardiovascular elements. Their surgical stabilization requires techniques related to ligamentoplasty rather than using osteo-synthesis equipment which may move away or break off.

Adolescent↗

[Epidemiological and clinical features of the knee osteoarthritis].

The knee osteoarthritis is one of the most common causes of pain affecting elderly people. The main clinical features are pain and fonctional disability. The aim of this prospective study was to determine the epidemiological and clinical features of the knee in our regions. It was conducted from January 1st through June 30st 2002, on patients with gonarthrosis successively remited from the department of medicine, rheumatology out patient clinic. The diagnosis criteria was based on the Kellgreen and Lawrence scheme. The Lequesne functional index have been used to evaluate the patients disability. Fifty patients were included in the study, they were 33 females and 17 male (sex ratio of 0.51). The mean age was 61.96 years, ranging from 45 to 81 years. The aetiologic factors was dominated by a family history of inflammatory joint desease (72%) and the knees physical stress (60%). Constitutional abnormality were found only among women, with 4 cases of valgum, 3 cases of varum and one cases of the patella extrernal abnormality. Obesity appeared to be very common associated condition. Forty three patients got a body mass index greater than 25. The knee pain was unilateral in 52% of cases, mostly on the right knee and was a mechnical type with no particularity. The functional disability was proportional to average disease duration, and was not associated to the patients age.

Aged↗

[Fractures of the medial humeral epicondyle in child: preliminary study about 18 cases].

The aim of this work is to study the epidemiological, radiological, clinical views of fractures of the medial humeral epicondyle in child and mainly to appreciate the results of surgical treatment. For this, we looked at again in a retrospective study eighteen (18) files of children with fracture of the medial humeral epicondyle. The average age of children was eleven (11) and the male sex most represented (16 boys versus 2 girls). Medial humeral epicondyle's fracture often occurs by accident in playing (15 cases). Accurate diagnostic of the fracture of the medial humeral epicondyle was rarely formulated on the clinical plan. It's the radiography who shown the fracture of the medial humeral epicondyle and permitted to specially the type in accordance with Marion's and Faysse's classifications and also Lechevallier. It was always surgical and consisted on a open reduction and fixation by pins or a periostee's stich. With ten (10) months of background, we assessed our results either on morphological plan than the functional plan. 1/ On morphological plan: an hypertrophy of the medial humeral epicondyle is 3-fold mentioned. Others children have not presented a morphological animaly. 2/ On functional plan: Ten children had an elbow's mobility considered as normal after self reeducation at home. Six enjoyed physical therapy in a specialized department. Two of the children had an extension gap from 30 degrees to 35 degrees respectively. We obtained thirsteen (13) good results in general, three (3) means results and two (2) bad results. In conclusion, the fracture of medial humeral epicondyle occurs around ten (10) years old in boy victim in playing. Diagnostic is sometimes difficult. Surgical treatment gives good results. However, it can be the origin of sequellaes which can justify correct previous refunding.

Adolescent↗

[An incomplete form of pachydermoperiostosis. Diagnosis of finger clubbing].

INTRODUCTION: The finger clubbing is most of the time associated with cardiovascular and pulmonary diseases. Pachydermoperiostosis also known as osteodermopathic syndrome, an hereditary disorder, is a rare cause of finger clubbing which might be difficult to diagnose in an incomplete form. EXEGESIS: We report a 36 years old black man presenting over many years polyarthralgias, broadening of fingers and clubbing of the fingers and toes extremities. This was mentioned on other family members. The physical examination was otherwise unremarkable. There were no skin thickening, no psoriasis-like and cardio-pulmonary disease features. These following exams were normal; Hemogram, fibrinogen, C reactive protein, rheumatoïd factor, serum calcium and phosphorus, thyroid hormones, growth hormone, chest X-ray, gastroduodenoscopy, electrocardiogram. The skeletal X-ray documented a widespread bone formation, a sacro-iliac osteosclerosis and interosseous ossifications betwen tibias and fibulas. CONCLUSION: Pachydermoperiostosis diagnosis was set up on 3 out of the 4 Borochowitz criteria. The absence of pachyderma defines this incomplete form. The osteoarticular manifestations lead mainly to differential diagnosis with the secondary hypertrophic osteoarthropathy and chronic inflammatory rheumatisms. The underlying pathogenic mechanism of this disease remains still unclear.

Adult↗

[Trochanteric fractures in elderly patients: management and prognosis of 68 cases].

The authors studied restrospecively their cases of trochanteric fractures to evoluate the frequency, the mortality, the morbidity and the results according to the diferent types of osteosynthesis used. 68 cases were collected in a 45 months. Mean age was 75 with 33 men and 35 women. 28 patients were sick before the accident. Using the A.O. classification, the patients were divided in three groups: 19 type A1, 37 type A2 and 12 type A3. 28 patients were operated an emergency basis. An A.O. nail plaque was used in the 43 cases and a staca screw plaque was used in the 11 remaining cases. Early in hospital mobilisation and weigh bearing with assistant was used and continued after discharge. After 17 months of follow up and according to Merle d'AUBIGNE'S, criteria, 91. 42% of the patients showed satisfactory results--16 patients died 8 of them had another desease. Anatomically, bone consolidation was gained after a mean period of 97 days and 40 % of Coxa-vara was reorganised. The frequency of trochanteric fracture inthe elderly is 69,3% in our experience. The patients operated on in emergency for whom a stacca nail plate had a better results with an earlier walking autonomy. In mean follow up there was no different in the two groups.

Aged↗

Concomitant sickle cell disease and skeletal fluorosis.

Skeletal fluorosis typically manifests as a diffuse increase in bone density, whereas avascular necrosis of the epiphyses and diaphyseal marrow are the main skeletal manifestations of sickle cell disease. The diagnostic and therapeutic challenges raised when both disorders are present are illustrated by two cases in Senegalese patients from an area characterized by high fluoride contents in the water and soil. Both had SS sickle cell disease. Skeletal fluorosis was diagnosed during evaluation for avascular necrosis in one patient and in the wake of septic arthritis in the other. Femoral head necrosis is difficult to identify in a patient with skeletal fluorosis. The bone lesions due to sickle cell disease and those due to fluorosis can mimic other bone diseases, most notably metastases. The combination of sickle cell disease and fluorosis results in significant medullary canal narrowing due to cortical thickening and to accumulation of necrotic bone. When performing hip replacement surgery, careful reaming of the medullary canal may reduce the risk of iatrogenic femoral fracture and inappropriate stem placement.

Adult↗

[Recent traumatic peroneal tendon dislocation: a case report].

Peroneal tendons dislocation describes a permanent or intermittent displacement of these tendons out of the retro malleolar sucket to its lateral side. It was described in fist in 1803 by Monteggia. It remains a rare affectation, dominantly of traumatic causes, mostly by passed in emergency situation. Also in its rarity, it remains remarkable for its diagnostic interest but also for its management which remains only surgical. This case concerned an adult of 24 years old, victim of closed trauma of the right ankle, the ankle was forced in varus and supine position. Ths initial diagnosis was a benign sprain which was later rectified 14 days after for a diagnosis of peroneal tendons dislocation. During the operation, a rupture of the retinaculum like type II of Eckert and Davis was noticed. A simple suture technique using Exner method give a good result 14 months later. The authors insist after this case indifferential diagnosis with sprain and recommended a surgical repair in recent lesions.

Adult↗

[Deep onchocerciasis of the left thigh. An unusual case].

INTRODUCTION: Commonly onchocercoma has been presented as superficial and multiple nodules. When it's unique and deeply situated, its clinical diagnosis is difficult. An uncommon form of onchocercoma is reported. CASE REPORT: A 37 years old man presented a big tumor at the inferior third of the left thigh like lipoma or liposarcoma because of microcalcifications. The tumor was removed. It was a cyst containing a liquid like an "mango juice". The histological examination was performed. Degenerated microfilariae of Onchocerca volvulus was found. DISCUSSION: A big and deep onchocerma of the thigh is uncommon and diagnosis before operation is very difficult. Histological examination have eliminate filarial infections like Dracunculus medinensis and have given the right diagnosis. Radiological microcalcifications and absence of microfilariae at the parasilogical and ophthalmological examinations recall an "aged" onchocercoma. For this reason, we didn't realise a chemotherapy. CONCLUSION: This tumor in Sahel areas is very difficult to diagnose before operation. The histological examination is very important in this case. We don't use chemotherapy because this onchocercoma looks old without alive microfilariae.

Adult↗

[Fibrodysplasia ossificans progressiva or Munchmeyer disease apropos of 2 cases].

Fibrodysplasia ossificans progressiva or myositis ossificans progessiva or still Munchmeyer disease is a genetic ailment with dominant autosomic transmission. It includes a high rate of change and doesn't appear any race. The authors gave an account of two remarks about it on a causal and late discovery upon two young black Africans. The first observation is a nine year-old-boy, without any similar family previous history and who has been hospitalized in maxillo-facial milieu for a mandible osteitis staphiloccocus. It showed some muscular ossifications of paravertebral, cervical, dorsal and lumbar nature--from a spontaneous appearance and evolving progressively since the age of three months. The radiographic results displayed some specific bones disorders which enable to retain the diagnosis above. The second observation is the case of a twenty four-year-old-woman who has previously benefitted from a surgical exploration a non-inflammatory muscular tumefication at the right arm which occurred at the age of twenty one. Three years later, she took surgery for the restriction of the oral gap and a right hand side lumbar paravertebral tumefaction which was thus restricting the mobility of the rachis. The radiological results have found some specific bone disorder++ at the hands and the feet which enable to link the paravertebral ossifications to their fibrodysplasic origin. Munchmeyer disease remains a affection of easy radio-clinical diagnosis. The essential point is to precociously think of it before the specific osseous anomalies occurring at the level of the feet and the hands. The functional or even vital prognosis remains closely linked to both the important and the topography of conjunctivo-muscular ossifications.

Adult↗

[Anatomical study of the interosseous membrane of the forearm].

The authors have dissected 20 forearms of human cadavers to study anatomy and some functions of the IOM. The fibers bundles of the IOM were arranged in one plane descending obliquely and distally from the radius to insertion to the ulna. Central band of the IOM was easily found and was thick. It's a resistant ligament for longitudinal stability of the radius. Now, it's important to know anatomical alignment of the IOM because ultrasound imaging can be used for diagnosis of its rupture or elbow injuries and in a early future, surgical methods of repair or reconstruction of IOM will be developed.

Forearm↗

[Cervical spondylolisthesis in skeletal fluorosis. A case report].

The authors report an uncommon complication in cervical skeletal fluorosis. It is a cervical spondylolisthesis at C5-C6 level complicated by a radiculomyelopathy described in a man living in an endemic area for fluorosis. After 3 years, a spontaneous stabilization of the cervical spine with a posterior calcification of the supraspinal and interspinal ligaments has caused an improvement of the neurological symptomatology.

Adult↗

[Scapulo-thoracic mycetoma. A rare localization, a particular form].

INTRODUCTION: An uncommon form and a rare localization of mycetoma is reported. The aim of this report was to distinguish this inhabitual form of mycetoma from some tropical diseases like onchocerca and other fungal diseases. CASE REPORT: A 55 year old man was admitted 10 years after a septic worm-hole for a scapulo-thoracic tumor. This encapsulated mass was a bending and rounded polyfistular one attached to the dorsal aspect of left shoulder. The fistula discharge a serosanguineous or purulent exudate. The characteristic red granule was not visible. The tumor was removed and histological examination was performed. A typical granuloma of red granule of streptomyces pelletieri was found. A good result was obtained with associated cotrimoxazole treatment. DISCUSSION: Scapulo-thoracic form included: scapular, axillary and chest form of mycetoma. All these localizations are rare. One of them can be complicated by osteitis or pleuro-pulmonary localization. Streptomyces pellitieri is the actinomycetic causal agent. This encapsulated form is uncommon. CONCLUSION: Scapulo-thoracic mycetoma is rare. Encapsulated and pedicular form is uncommon. Around Sahel areas, differential diagnosis must be evoked such as parasitic and mycobacterial infections.

Dermatomycoses↗

[Anatomic study via dissection of the common fibular nerve: etiopathogenic consideration].

In order to understand and prevent the particular rate of the common fibular nerve palsy during the traumatisms of the main stem of the sciatic nerve; the authors have studied through dissection the osteomuscular and aponeurotic relationships of 38 common fibular nerves. They blame it on the relations between the nerve and the proximal ends of the fibula; the nerve can be stretched on and mainly on its fixation on the crural fascia by fibrous tracts seen in 78.94 of the cases.

Adult↗