[Alpha heavy chain disease (apropos of a case with multiple visceral and bone manifestations)].
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Biomedical subjects
Publications and source records attributed to A Bennani.
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This study presents the frequency of severe and mild talalgias in unselected, consecutive patients with rheumatoid arthritis, ankylosing spondylitis, Reiter's syndrome, and generalized osteoarthosis. Achilles tendinitis and plantar fasciitis caused a severe talalgia and they were observed mainly in males with Reiter's syndrome or ankylosing spondylitis. On the other hand, sub-Achilles bursitis more frequently affected women with rheumatoid arthritis and rarely gave rise to severe talalgias. The simple calcaneal spur was associated with generalized osteoarthrosis and its frequency increased with age. This condition was not related to talalgias. Finally, clinical and radiological involvement of the subtalar and midtarsal joints were observed mainly in rheumatoid arthritis and occasionally caused apes valgoplanus.
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Hepatitis C virus (HCV) seroprevalence and transmission routes were investigated in several groups of the Moroccan population. This study showed a low HCV seroprevalence in the Moroccan general population. However, haemodialysis patients and haemophiliacs were at higher risk of having HCV infection, since the prevalences were, respectively, 35.1 and 42.4% in comparison with the blood donors' prevalence (1.1%). These results indicated that parenteral exposure is the transmission pathway of HCV. To investigate the possibility of vertical HCV transmission, a cohort of healthy, unselected pregnant women were included in the study. A prevalence of 1% was found among them. Seven newborns were anti-HCV-positive, although, when RT-PCR was used to search for HCV RNA in their sera, none of them was viraemic. These data indicated that anti-HCV antibodies were passively acquired in these cases. We concluded that vertical transmission is absent when mothers are at low risk of contracting other parenterally or sexually transmitted diseases. Three percent of a group of patients of a centre for sexually transmitted diseases were repeatedly anti-HCV-positive, suggesting the possible sexual transmission of HCV. When screening 116 sera of anti-HIV-positive subjects, 19.8% were anti-HCV-positive. Furthermore, 17.9% of the sixty-seven patients who were proven to have sexually contracted HIV were also anti-HCV-positive. These data might reflect a likely cotransmission of these two viruses, hence suggesting HIV is a cofacter for HCV sexual transmission, as previously reported.
Severe forms of ulcerative colitis are somewhat rare but have a severe prognosis. Apart from the usual predisposing factors, the amebic graft must be especially emphasized, at least in those countries where the parasite is endemic. Entamoeba histolytica was consistently identified in 19 cases of the severe form that we found out of a total of 126 cases of ulcerative colitis. Usually the parasite was found in the shape of massive infestation and in most cases it proved to be resistant to the amebicides currently available. The clinical picture shown by the 19 patients was identical to that given in the literature for severe forms of ulcerative colitis. Therapeutically, it was essential to combine one (or, if necessary, several) course(s) of treatment with amebicides with the usual therapeutic measures until the parasite was destroyed in the intestine. This work suggests that any attack on ulcerative colitis must automatically include an anti-amebic course of treatment, and this should strictly precede any corticosteroid therapy, even administered as enemas.
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The authors report two cases of primary intestinal involvement in Hodgkin's disease, the first concerning the duodenum and the second the ileum. Both patients had a stenotic syndrome. The diagnosis was made by tumor histology in the first case and of a regional lymph node in the second. Treatment involved a course of chemotherapy and radiotherapy in the first case and surgical excision and chemotherapy in the second.
Esophageal tuberculosis is a rare etiology of dysphagia. Such a location is also rare in comparison with other digestive tract sites of the disease (3.2%). Esophageal involvement may be secondary or primary. Diagnosis is particularly difficult in the latter situation. At any event, the diagnosis can only be histological by examination of endoscopic biopsy material. Treatment is essentially medical and leads to recovery in most patients.