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Biomedical subjects

C Cozzi

Publications and source records attributed to C Cozzi.

9 recordsLinked to original sources

Adrenal failure due to bilateral metastases as the sole manifestation of relapsing lung carcinoma. Report of two cases.

We describe two patients with lung carcinoma in whom adrenal glands were the sole site of tumor relapse, revealed by the appearance of Addison's disease. Both patients showed bilateral adrenal masses on US and/or CAT scans and received hormone replacement therapy, with rapid improvement of their general conditions. One of them, with small-cell carcinoma, could also be treated with further chemotherapy and achieved a second remission. Therefore, we stress that patients with lung carcinoma should be periodically screened for adrenal deposits by US or CAT and undergo prophylactic steroid maintenance whenever metastatic involvement of the glands is detected.

Addison Disease↗

[Plasma cell leukemia originating with pleural effusion].

A case of plasma cell leukemia, secreting light kappa chains, is reported. It arose in a 62 year old man and was diagnosed on the basis of a bilateral pleural effusion, which showed many plasma cells and plasmoblasts. The patient also presented multiple osteolytic lesions, no adenopathies, or signs of hepatic or splenic infiltration. Cytological, cytochemical, immunological findings and serum beta 2-microglobulin assays demonstrated a highly aggressive plasmacytic proliferation. The clinical and hematological data, particularly the onset of the disease with pleural effusions, identify the case as an intermediate form between the typical plasma cell leukemia reported in the literature and anaplastic myeloma.

Bone Marrow↗

Measurement of glomerular filtration rate by impulse synthesis: clinical validation and optimization.

Impulse synthesis is a technique which relies upon the logic of continuous infusion but extracts the clearance value from single-injection data by shifting and adding them until an asymptotic value is attained. This study has been aimed at validating and optimizing clinically the measurement of glomerular filtration rate by impulse synthesis. A single intravenous injection of 51Cr-EDTA has been made in 32 patients and plasma activity monitored over the next 6 h. Glomerular filtration rate computed by a single-exponential fit method (GFR-SEF) has been shown to be significantly (p less than 0.001) overestimated when compared with the glomerular filtration rate obtained by the impulse synthesis technique (GFR-IS) in spite of an excellent (r = 0.989) linear correlation between the two sets of data. On the other hand, the comparison between GFR-IS and 24-h creatinine clearance has not shown any significant difference. Moreover, we have found that in patients with severe renal failure GFR-IS is overestimated when the sampling time span is shortened to 3 h. On the other hand, GFR-IS is slightly underestimated in patients with severe renal failure when the convolution time interval is increased over a few minutes.

Adult↗

Methylergonovine maleate: a proposal for its more specific use.

Seven hundred cases of spontaneous or operative vaginal delivery were studied at the Department of Obstetrics and Gynecology of the University of Florence. The purpose was to evaluate the frequency of complications such as hemorrhage and/or infections during the immediate post-partum period and the first two weeks after childbirth.

Female↗

Dynamic fetoplacental unit function test with dehydroepiandrosterone sulfate.

The authors present their experience with the dynamic fetoplacental unit function test using a commercial product containing dehydroepiandrosterone sulfate. The recent literature is cited and the results are discussed. Emphasis is placed on the practicability and applicability of the method in connection with a continuous, reliable evaluation of "at risk" pregnancy.

Adrenal Cortex Hormones↗

[Polycythemia vera and hemoregulator hormones. Considerations on an unusual clinical case].

The case is reported of a patient with polycythemia vera, who developed an anterior panhypopituitarism, due to an adenoma, some years later. The endocrine deficiency caused the return of the hemoglobin count and global red cell volume to the normal range. The finding suggests that in polycythemia vera the neoplastic growth is still partially responsive to normal hemoregulator factors.

Adenoma↗