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Biomedical subjects

L Fogué

Publications and source records attributed to L Fogué.

14 recordsLinked to original sources

[Diagnostic evaluation of nasopharyngeal carcinoma: role of Epstein-Barr virus].

We present a retrospective series of 27 nasopharyngeal carcinomas, selected from those attended at Ramón y Cajal Hospital between 1977 and 1996, with the aim of review the role of the study of Epstein-Barr virus in the diagnostic process of nasopharyngeal carcinoma. Twenty-seven patients, ranging from 14 to 81 years, with an average age of 50 years were selected. Male/female ratio was 1,7. All but one case were Caucasian. A neck mass was the first symptom in 40% of cases, with a mean diagnostic delay of 17 months. Only 8 cases (23%) did not exhibit neck nodes at the moment of diagnosis. CT and MRI were essential to establish staging: 5 stage I, 7 stage II and 15 stage IV, due to regional extension and/or bone erosion. Radiotherapy was employed in all cases, helped by chemotherapy in 20% of them. With a mean follow-up of 62 months, 5-years survival was 32% (IC 14,06-52,09). Of 27 cases of nasopharyngeal carcinoma 4 were differentiated (type I), 2 moderately differentiated (type II) and 22 undifferentiated (type III). While LMP-1 was only expressed by 41% of cases, PCR detected Epstein-Barr virus genome in 26 cases (96%) and in situ hybridization for EBERs was positive in all cases. Thus, all nasopharyngeal carcinomas were related to Epstein-Barr virus. Expression of LMP-1 seemed to worse the prognosis of nasopharyngeal carcinoma.

Adult↗

Bronchiolitis obliterans organizing pneumonia associated with Evans syndrome.

The association of bronchiolitis obliterans organizing pneumonia (BOOP) with insulin-dependent diabetes mellitus (IDDM) and Evans syndrome (autoimmune pancytopenia) has not been reported previously. We describe the case of a 4-year-old child diagnosed with IDDM and Evans syndrome who presented malaise, fever and nonproductive cough for several months. The chest radiograph revealed several patchy alveolar opacities with peripheral and bilateral distribution and multiple hilar and mediastinal adenopathies. An open lung biopsy established the diagnosis of BOOP. During the follow-up over the next 7 years, the patient had chronic relapses in spite of corticosteroid treatment and developed restrictive lung disease.

Autoimmune Diseases↗

Laryngeal tuberculosis in renal allograft patients.

Laryngeal tuberculosis, although the most common granulomatous disease of the larynx, is a rare form of extrapulmonary tuberculosis, never reported in immunosuppressed allograft recipients. We present two cases of laryngeal tuberculosis in renal transplant patients and a review of the literature. Two women, a 29-year-old and a 60-year-old, each more than 9 years after their cadaveric renal allograft, presented with a 2-week febrile illness with hoarseness and dysphagia, and both were found to have laryngeal tuberculosis by direct laryngoscopy. Although both radiographs were unremarkable, both patients had sputum positive for acid-fast bacilli that subsequently grew Mycobacterium tuberculosis. Clinical response promptly followed institution of isoniazid, rifampicin, and pyrazinamide in each case, although both required threefold increases in daily cyclosporin A dosage to maintain therapeutic levels.

Adult↗

Diagnosis of hepatopulmonary syndrome with contrast transthoracic echocardiography and histological confirmation.

We report a patient with cirrhosis and hepatopulmonary syndrome. This syndrome is an entity characterized by anomalies in the arterial oxygenation in patients with chronic hepatic disease and/or portal hypertension and demonstration of pulmonary vasodilatation (PV) in absence of primary cardiac or pulmonary disease. We show that the finding of PV with transthoracic contrast enhanced echocardiography (TCEE) in the diagnosis of PV is real and corresponds to direct measurement of capillary diameter by morphometry.

Adolescent↗

[Bronchiolo-alveolar carcinoma: review of 14 cases].

Fourteen cases are revised of bronchiolalveolar carcinoma (BAC) diagnosed in our institution from 1980 to 1992. The time interval from clinical manifestations to diagnosis was 5.13 +/- 6.01 months. The incidence of smokers in the population was 42.8%. Clinical findings were non-specific, except in three cases, consisting in bronchorrhea with more than 100 ml. The most frequent site of the tumor was bilateral and diffuse (71%), mainly in nonsmokers. Endoscopic findings suggested a likely malignancy in 21% of cases. Transbronchial biopsy was the most sensitive diagnostic method. Histological confirmation was obtained in 85% of cases. To note the possible association with Epstein-Barr virus (EBV), as demonstrated by the findings of EBV genome in the cases when this study was performed.

Adenocarcinoma, Bronchiolo-Alveolar↗

Gigant carcinosarcoma.

We present a case with gigantic carcinosarcoma (the largest described to date, diameter of 20.5 cm), located in the right upper lobe, in which the discordance between the brief clinical course with limited symptoms and its large size were remarkable. Preoperative diagnosis by bronchial biopsy, as used to be the case in this malignancy, was incorrect (epidermoid), and the define histological characterization was made by thoracotomy. The controversy about pathology, diagnosis and treatment of the carcinosarcoma is discussed.

Biopsy↗

[Pneumocystis carinii pneumonia in patients with HIV infection at a Spanish hospital].

Thirty cases of a first episode of Pneumocystis carinii pneumonia in patients with HIV infection were collected in a 32 month period. Most patients had long standing fever, cough and dyspnea. Laboratory findings were nonspecific. Remarkably, LDH activity was high in 88% of patients and the T4 lymphocyte count was lower than 200/mm3 in all patients in whom it was measured. Chest radiogram showed bilateral alveolar-interstitial pattern in 90% of cases. Bronchoalveolar lavage with ultracentrifugation was found to be the most effective diagnostic study, with 95% sensitivity. The frequency of secondary effects to cotrimoxazole which required to change to pentamidine was 13.3%. During hospital admission, 16.6% of the patients died, and the survivors had mortality rates of 4% and 85% after 3 and 20 months, respectively.

Acquired Immunodeficiency Syndrome↗

Alveolar proteinosis and nocardiosis: a patient treated by bronchopulmonary lavage.

Alveolar proteinosis is a relatively rare disease of unclear pathogenesis associated with opportunistic-infections. Although nocardiosis is the most frequent one, only 22 cases have been reported previously and are reviewed here. We present a patient with alveolar proteinosis with nocardiosis treated as an emergency with bilateral bronchopulmonary lavage and antibiotics. No previous cases of this association have been successfully managed in this way.

Adult↗

[Neck lymph node metastases of unknown origin: nasopharyngeal origin and EBV (Epstein-Barr virus)].

We present a retrospective series of 16 cases of undifferentiated squamous carcinoma in cervical metastatic nodes of unknown primary. We review their clinical and radiological evaluation in search of a possible primary tumor, their response to treatment and the eventual development of a primary tumor. Furthermore, we study the presence of Epstein-Barr virus in the metastases as a predictor of their nasopharyngeal origin, in relation to the finding of primary lesions in the nasopharynx during further follow-up of the cases.

Adult↗