[Ultrastructural localization of peroxidases in myeloid cells].
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Biomedical subjects
Publications and source records attributed to C Foa.
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Primary lung sarcomas are uncommon histologic types of primary lung cancer and presents a wide spectrum of clinical behaviour. Nine patients treated at Antoine Lacassagne Cancer Center between 1982 and 1995 were studied. The median age was 63 years (range, 35-73 years) and the most common histologic types were malignant fibrous histiocytoma (four) and leiomyosarcoma (three). All of them underwent surgery, six patients had a complete surgery and three patients incomplete resections. The median overall survival for all patients was 36 months. In the subgroup of patients with initial complete resection, the median survival was significantly longer (47 months) than in the subgroup of patients with incomplete resection (6 months) (P<0.05, log-rank test). Moreover, two patients had a second complete resection for ipsilateral lung relapse and were long survivors (overall survival of 58 and 83 months, respectively). The ability to achieve a complete second surgery stress the possible benefit of an early detection of local recurrence. Because no specific symptom was linked with the local relapse, a systematic CT scan every 2 or 3 months could be required.
Patients with lymphoma frequently develop neurologic abnormalities mainly due to nervous system infiltration but also direct drug toxicity. Moreover Guillain-Barré syndrome (GBS) remains a possible neuropathy, rarely described in non-Hodgkin's lymphoma. We describe a case of GBS in a patient with non-Hodgkin's high grade lymphoma. A 74-year old man with a newly diagnosed stage I high-grade lymphoma (precursor B-cell Burkitt like type according to the R.E.A.L. Classification) develop flaccid quadriparesis, 7 days after the end of the third course of CHOP treatment. The clinical course and neurological examination were consistent with GBS. The patient was in tumoral complete response. Despite appropriate treatment and a transfer in a reanimation unit, the patient died 3 days after the beginning of neurologic symptoms. The low number of cases described in the international literature doesn't permit to understand the association of this neurologic disease with non-Hodgkin's lymphoma. Collecting more data could lead interesting information to know the place of malignant hematological disease in the natural history of GBS.
The authors report a case of congenital dyserythropoieses, type II, the diagnosis of which was made in a young 15 year old girl with anemia, sub-clinical jaundice and splenomegaly. The following three criteria were found: erythroblastic hyperplasia with a high percentage of binuclear cells, a double peripheral red cell membrane under the electron microscope and a positive Ham-Dacle test. An isotopic study showed a double process or erythropoiesis which was inefficacious and peripheral hemolysis. In connection with this case, the authors then recall the main characteristics of the three types of congenital dyserythropoiesis. The origin and consequences of the peripheral membrane excess of the erythroblasts characteristic of type II are then discussed.
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