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J C de Morais

Publications and source records attributed to J C de Morais.

7 recordsLinked to original sources

Spinal cord compression due to extramedullary hematopoiesis in the proliferative phase of polycythemia vera.

Extramedullary hematopoiesis is a common accompaniment of a variety of hematologic diseases such as hereditary spherocytosis, thalassemia and myelofibrosis. The association of extramedullary hematopoiesis with polycythemia vera in the proliferative phase is much less usual. We report a patient who presented with paraplegia due to spinal cord compression; clinical investigation revealed a paravertebral hematopoietic tumor, and the diagnosis of polycythemia vera was then established.

Bone Marrow

C-MOPP/ABV yields good results in a public hospital population with Hodgkin disease in Brazil.

BACKGROUND: Over the last 15 years, a number of combination chemotherapy regimens have been reported to induce more than 80% complete remissions (CR) in patients with advanced Hodgkin disease (HD). Almost all such studies have been conducted in large institutions from North America and Europe. It remains to be proven, however, that those regimens are equally effective for the larger population of patients with HD who live in very different social conditions in third-world countries. METHODS: Fifty-nine patients with advanced-stage or early bulky HD were treated in two public hospitals with the C-MOPP/ABV hybrid program, in which cyclophosphamide was substituted for mechlorethamine. RESULTS: The median number of cycles administered was six, and the median follow-up was 32 months. Fifty patients (85%) reached a CR. The actuarial failure-free survival (FFS) rate was 69%, and the actuarial overall survival rate was 78% at 68 months. The only significant prognostic factor that predicted for improved FFS rate was the absence of B symptoms (P = 0.02). Overall survival was better for patients who reached a CR (P = 0.0003) and those with no systemic symptoms (P = 0.007). Toxic effects were moderate, with one treatment-related death and six episodes of serious infection. CONCLUSIONS: The target population consisted of lower-class Brazilians, many living in poor social conditions. Nevertheless, these results compare equitably with other results reported in the literature. C-MOPP/ABV is an adequate treatment for HD in third-world populations.

Adolescent

Low-grade lymphoma following intensive treatment of large-cell lymphoma.

Progression of a low-grade non-Hodgkin's lymphoma into a more aggressive histologic pattern is a well-described phenomenon. The converse phenomenon, often called downgrading, is much less frequent. We report 2 patients in whom relapse with an indolent lymphoma was noted after chemotherapy for higher-grade disease. Other previously reported cases are reviewed. The implications for appropriate management and pathogenesis are discussed.

Adult

[Infant mortality].

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Brazil

The treatment of acute myeloid leukemia in Brazil: progress and obstacles.

BACKGROUND: Substantial progress has been made in the treatment of acute myeloid leukemia in the last two decades. We wanted to evaluate the outcome of intensive chemotherapy and the influence of recent therapy changes in underprivileged patients treated in a large urban public university hospital. METHODS: The records of all patients treated for acute myeloid leukemia from 1980 to 1993 were analyzed. RESULTS: 109 patients were identified; 41 did not receive any treatment for the leukemia because of infectious and/or hemorrhagic complications of advanced disease. Median survival in this group was 4 days. The other 68 patients received one of two induction protocols: TAD from 1980 to 1985 (n = 23) and ara-C plus daunorubicin from 1985 to 1992 (n = 45). The complete remission rate was 56%, disease-free survival 24% and overall survival 15% at 13 years. Overall survival was better for patients treated with ara-C plus daunorubicin than with TAD (19% versus 8%, p = 0.01). This is attributed to a reduction in infection mortality after ceftazidime and amikacin replaced cephalotin, carbenicillin and amikacin as the antibiotic regimen. CONCLUSIONS: The most effective intervention in our population would probably be an improvement in the primary health care system, so that earlier diagnosis could allow the treatment of a larger fraction of patients.

Acute Disease