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Biomedical subjects

M D Iseman

Publications and source records attributed to M D Iseman.

At least 37 records · Page 2Linked to original sources
PubMed1999

Tuberculous empyema.

Tuberculous empyema represents a chronic, active infection of the pleural space that contains a large number of tubercle bacilli. It is rare compared with tuberculous pleural effusions that result from an exaggerated inflammatory response to a localized paucibacillary pleural infection with tuberculosis. The inflammatory process may be present for years with a paucity of clinical symptoms. Patients often come to clinical attention at the time of a routine chest radiograph or after the development of bronchopleural fistula or empyema necessitatis. The diagnosis of tuberculous empyema is suspected on computed tomography imaging by finding a thick, calcific pleural rind and rib thickening surrounding loculated pleural fluid. The pleural fluid is grossly purulent and smear positive for acid-fast bacilli. Treatment consists of pleural space drainage and antituberculous chemotherapy. Problematic treatment issues include the inability to re-expand the trapped lung and difficulty in achieving therapeutic drug levels in pleural fluid, which can lead to drug resistance. Surgery, which is often challenging, should be undertaken by experienced thoracic surgeons.

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PubMed1996

Resection of the right middle lobe and lingula for mycobacterial infection.

BACKGROUND: In a series of 229 patients infected with mycobacterial organisms, we noted a specific female phenotype that involves isolated infections of the middle lobe and lingula. METHODS: Thirteen patients were found to have infections of the middle lobe, lingula, or both. All of them were infected with Mycobacterium other then Mycobacterium tuberculosis, all were women, 12 of the 13 were slender, and most had variable combinations of skeletal abnormalities. All underwent resection of the middle lobe, lingula, or both. RESULTS: There were no operative deaths. Only 2 patients have had reactivation requiring additional antibiotic therapy. All patients have had a decreased number of pulmonary infections in the postoperative period. Anatomic findings at operation included a complete major fissure and at least a partially complete minor fissure with middle lobe resections or an elongated lingula. CONCLUSIONS: Mycobacterial infection of the middle lobe and lingula is primarily a disease of asthenic women and is often associated with skeletal abnormalities and complete fissures or an elongated lingula. We recommend that surgical intervention be performed early once the condition is identified.

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