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Biomedical subjects

B Baranger

Publications and source records attributed to B Baranger.

At least 19 recordsLinked to original sources
PubMed2006

[Acute superior mesenteric vein thrombosis. A retrospective study of 9 patients].

AIM OF THE STUDY: To determine diagnostic modalities and both immediate and long-term treatment of superior mesenteric venous thrombosis. PATIENTS AND METHODS: Retrospective study from 1997 to 2004 in two institutions concerning patients with superior mesenteric vein thrombosis. RESULTS: Nine patients (all males, mean age=55 years), were included. Abdominal pain (100%), vomiting (44%), and bowel activity disorders (44%) were the most common symptoms. A personal or familial thrombosis history was present in 67% of patients. A genetic predisposing factor of thrombosis was present in 78% of patients. The diagnosis was established with CT-scan in 8 cases with a mean delay of 8 days. Treatment was exclusively medical in 33% of patients and included surgery in 67%. All operated patients underwent resection for bowel infarction and only one had immediate anastomosis. All enterostomies were subsequently closed. No patient died. CONCLUSION: Diagnosis of superior mesenteric vein thrombosis is frequently delayed and relies on CT-scan with intravenous contrast. Prognosis is globally favourable but depends on early application of anticoagulation therapy. In case of surgery, bowel-sparing resection is indicated and enterostomies are often needed. Genetic disorders predisposing to thrombosis are very frequent, that may indicate prolonged even definitive anticoagulation therapy.

Abdominal Pain↗
PubMed2006

[Malignant hereditary paraganglioma: problems raised by non-functional forms management].

Non-functional paraganglioma have not clinical or biological characteristics, so that the diagnostic is most of the time delayed and made on the occasion of advanced abdominal tumor or symptomatic metastasis management. Hereditary forms, notably those with SDHB mutation, seem to have a poor prognosis. On the other hand, and on the oposite to sporadic forms, they are the only ones to benefit from genetic testing which make possible, if positive, an earlier diagnostic, before apparition of symptoms, recurrence or metastasis. We report a case of non-functional malignant hereditary paraganglioma diagnosed belatedly and we will consider management problems raised by non-functional forms.

Abdominal Neoplasms↗
PubMed2006

[Leiomyosarcoma of the middle segment of the inferior vena cava: tactical problems raised by renal and caval revascularisation].

INTRODUCTION: Leiomyosarcoma of the inferior vena cava is mesenchymal tumor accounting for 95% of primary tumors of the vena cava. Characteristic features include late invasion of adjacent structures and metastases, and delayed diagnosis. OBSERVATION: We report a case of inferior vena cava (IVC) leiomyosarcoma (LMS) found in a 53 year-old man who complained of abdominal pain. Morphologic exams found a very large polycyclic mass in the inferior vena cava involving the middle segment of the vena cava extending from the renal veins to the hepatic veins. An "en bloc" resection of the tumor was achieved. Caval outflow was restored using a ring-reinforced PTFE tube graft, the left renal vein was ligated and not re-implanted, the right renal vein was implanted in a lumbar sub-renal vein using a short prosthesis. Pathological examination documented a grade II leiomyosarcoma of the inferior vena cava and the patient was given adjuvant chemotherapy (anthracycline). One year later, there was no local or regional relapse. COMMENT: We emphasize the importance of restoring caval outflow which provides effective results when used with a ring-reinforced polytetrafluoroethylene (PTFE) prosthesis. Furthermore, the importance of restoring right renal outflow is highlighted because ligature of the renal vein can lead to renal ischemia and nephrectomy which should only be performed in specific cases. The tactical problems of renal and caval revascularisation, including the place of prosthetic replacement, are discussed.

Blood Vessel Prosthesis↗
PubMed2005

[Malignant-like angiomyolipoma of the liver: report of one case and review of the literature].

Frequently found in kidney, angiomyolipoma is a rare mesenchymal tumor when diagnosed in the liver and usually benign composed of proliferative blood vessels, fatty tissue and smooth muscle. We report the case of a 67-year-old woman who underwent a left hepatectomy for a 4th segment tumor unidentified after imaging and fine needle biopsy. Final anatomopathologic examination revealed an epithelioïd hepatic angiomyolipoma with signs of malignant behaviour as vascular and lymphatics embolus and invaded left portal vein thrombosis. During the subsequent 24-month follow-up, no recurrence was observed. A review of the literature found only two cases of malignant hepatic angiomyolipoma with fatal issue, however, their incidence must be underrated because of their scarcity and the difficulty of their diagnosis, which needs immunohistochemical confirmation with HMB 45 in particularly. Advances in imaging and anatomopathology in particular with the concept of PEComa (Perivascular-Epithelioïd Cell) as the unifying feature should lead to the recognition of the various variant patterns and cell types. The latter which are important for a correct diagnosis, in order to obtain reliable data about frequency, possible malignant behaviour and therefore consensus management for hepatic angiomyolipoma.

Aged↗
PubMed2002

[Early rupture of a cryopreserved arterial allograft].

Cryopreserved arterial allografts are used in vascular surgery to treat infected arterial prosthesis. This treatment reduces mortality and morbidity compared to conventional surgery. We observed a case of early rupture of the allograft with the death of the patient due to a misdiagnosis. Recent findings show that cases of rupture have been described, and that current cryopreservation protocols may be the cause of degeneration. To avoid a sudden death for the patient, this complication must be known to diagnose quickly and treat surgically before a final haemorrhagic shock.

Arteries↗
PubMed2001

[Dedifferentiation of mature teratomas secondary to testicular cancer: report of 2 cases].

The authors report two cases of adenocarcinomatous dedifferentiation of a recurrent mature teratoma arising 3 and 20 years after the initial resection. This is a rare event, occurring after macroscopically or microscopically incomplete resection of a mature teratoma. The nature of this recurrence was difficult to determine prior to histological examination. However, PET scan suggests the diagnosis of malignant teratoma in the presence of increased uptake by the lesion. These tumours have a poor prognosis. Treatment consists of complete resection of the tumour mass. The possibility of long-term malignant dedifferentiation of a teratoma therefore requires prolonged and regular life-long surveillance of patients presenting a mature teratoma after chemotherapy for non-seminomatous germ cell tumour of the testis.

Adenocarcinoma↗
PubMed2001

[Obesity, diabetes mellitus, and gas gangrene: a major therapeutic challenge].

Soft tissue infections are uncommon but prognosis is severe (20 to 50%). Management consists in surgical debridement, antibiotic therapy against anaerobic and aerobic bacteria, and appropriate intensive care. When available, hyperbaric oxygen therapy is an integral part of the treatment. We report the case of 56-year-old female patient with diabetes (150 kg) was hospitalized in our unit a few days after surgical treatment of a buttocks abscess for clinical signs of peripheral gas gangrene. Surgical exploration showed necrotizing soft tissue infection with fasciitis. Adequate therapy using antibiotics, surgery daily and hyperbaric oxygen was given. Therapy had to be adapted to the patient's obesity. Outcome was good with recovery and few sequelae, allowing transfer to a medical ward.

Abscess↗
PubMed1997

[Microbial overgrowth syndrome after gastrectomy. Recent diagnostic aspects].

Blind loop syndrome is the most common syndrome of bacterial overgrowth following gastrectomy. We report two cases with diarrhea, steatorrhea, exudative enteropathy and major nutritional deficiency. Diagnosis was based on the breath test and aspirate analysis. Surgery with restoration of the duodenal continuity was the treatment. Patients with contraindications for surgery should be given prolonged antibiotic therapy which should be repeated if symptoms reoccur.

Aged↗
PubMed1996

[Abdominal gunshot wounds. Ballistic data and practical management].

The mortality from abdominal gunshot wounds remains high, either in civilian or military cases. The severity factors of these wounds include bullet calibre and energy transfer of the missile. This paper studies some of the ballistics features of abdominal gunshot wounds. Practical guidelines are inferred concerning diagnosis and treatment of these wounds.

Abdominal Injuries↗
PubMed1994

[Two cases of cystic adventitial disease of the popliteal artery. Current diagnostic approach].

The authors report two cases of cystic adventitial disease of the popliteal artery. Both patients complained of calf claudication and presented a thrombosis of the popliteal artery. In one case, magnetic resonance imaging exhibited a specific preoperative diagnosis. In both cases, at least one communication between the cysts and the capsule of the knee joint was demonstrated, supporting the congenital hypothesis of the disease. The two cases have been treated by vein graft replacement of the occluded popliteal arteries. Both patients have remained asymptomatic and the two grafts have remained patent during the ninth and twelfth month follow-up periods.

Adult↗
PubMed1994

[Treatment of bilateral inguinal hernia by subperitoneal prosthetic parietoplasty. Value of PTFE].

This retrospective study reviews 211 patients having sustained a bilateral groin hernia repair during a 3 year period. The procedure was the same for all the patients: via a Pfannensteil approach, a pre peritoneal prosthetic repair is performed, using two ePTFE patches, after resection of the hernial sacs and closure of the parietal gaps. The mean follow up was 2 years. During the post operative course, thirty seven of 211 patients sustained 10 local complications, 9 urethral catheter related complications and 11 residual pain. No prostheses infection or testicular atrophy was observed. Nine patients had recurrences (2.2% of 422 repairs). All the recurrences were due to incorrect technique, eight were successfully re operated on--Expanded PTFE is a reliable prosthetic material, easy to handle and well adapted to preperitioneal hernia repair.

Aged↗
PubMed1990

[Surgical indications of hyperbaric oxygen therapy].

Beside clostridial myonecrosis surgical utilization of hyperbaric oxygen remain unprecise. After review of literature, analysis of their experience, the authors define: principles and effects of hyperbaric oxygen, his position with regard to surgical intervention, its surgical utilizations: unquestionable (non clostridial and clostridial gas gangrene), relative (aerobic cellulitis, diabetic arterial disease), preventive.

Adolescent↗