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Biomedical subjects

G Manigand

Publications and source records attributed to G Manigand.

At least 19 recordsLinked to original sources
PubMed1989

[Resection of the prostate after 75 years].

The authors report a series of 100 endoscopic resections performed in patients over the age of 75 years. In patients with no risk factors, there was no mortality and the morbidity was 5%. In patients with one risk factor, mortality was 5% and morbidity was 10%.

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PubMed1984

[Osteoradionecrosis in adults].

Osteoradionecrosis (ORN) is not exceptional, despite advances in irradiation techniques. Six cases are reported, involving the pelvis, coxofemoral joint, mandible and vertebrae; in this last case, the semiologic value of the lucent intrasomatic image seen on plain films and tomographies of the vertebrae is underscored. The irradiation dose (above 3 000 rad) is the chief factor in osteoradionecrosis, which may be precipitated by adjuvant factors and potentiating events such as trauma and infection. Pathologic study shows several lesions whose association is suggestive: cell lesions, osteoporosis, vascular lesions, and foci of necrosis. The pathogenic significance of lesions of bone cells is demonstrated, while the part played by vascular lesions is controversial. Involvement of the pelvis and hips following irradiation of pelvic carcinoma is the most common. The scapular girdle and ribs may be involved in irradiation for breast cancer. In involvement of the mandible, remarkable features are its frequency following irradiation of carcinoma of the mouth, the significant part played by potentiating factors, i.e. infection and trauma, severity of complications, i.e. fistulae and hemorrhage, and lastly difficulties of management. Among infrequent sites, involvement of the vertebrae is of interest as it may mimic collapse due to osteoporosis or metastasis. Diagnosis rests on an association of criteria, and fortunately bone biopsy is usually unnecessary. The clinical features, topographical characteristics and course of the disease allow differentiation from bone metastasis; it may be more difficult to distinguish postirradiation sarcoma, which is exceptional, or a number of benign conditions, such as aseptic necrosis, infectious osteoarthritis, and destructive coxarthrosis.

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PubMed1984

[Diffuse bone metastases revealing pleural mesothelioma. Case report].

A 76 year old man, presenting with symptoms of general malaise alone, had a marrow biopsy which showed and undifferentiated carcinoma. A subsequent autopsy revealed a multi-nodular pleural mesothelioma, which was not seen radiologically, presumably because of the small size of the nodule. There were bilateral adrenal metastases and diffuse bony metastases involving the marrow. An occupational contact with asbestos was retrospectively confirmed. It is rare that a pleural mesothelioma does not exhibit thoracic signs and very uncommon that bony metastases should give the diagnosis in such a tumour.

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