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1.
Intern Med ; 48(15): 1283-7, 2009.
Article in English | MEDLINE | ID: mdl-19652431

ABSTRACT

We report a case of miliary tuberculosis associated with chronic neutrophilic leukemia (CNL). A 70-year-old woman was referred to our hospital complaining of a 1-month history of persistent fever and anorexia. Chest and abdominal computed tomography images revealed diffuse small nodular lesions in the bilateral lung fields and extreme splenomegaly. Sputum cultures isolated Mycobacterium tuberculosis. After anti-tuberculous therapy for 1 year, the patient underwent splenectomy for massive splenomegaly and progressive leukocytosis. The presence of the homozygous JAK2 V617F tyrosine kinase mutation was also demonstrated in the peripheral blood. She was finally diagnosed as having miliary tuberculosis associated with CNL based on the histopathological examination of spleen. The patient was treated with a daily dose of 500 mg of hydroxyurea. As a result, 18 months after the splenectomy, her leukocyte count was decreased and her clinical condition was markedly improved; there was no relapse of the CNL.


Subject(s)
Leukemia, Neutrophilic, Chronic/complications , Leukemia, Neutrophilic, Chronic/diagnosis , Tuberculosis, Miliary/complications , Tuberculosis, Miliary/diagnosis , Aged , Bone Marrow/pathology , Female , Homozygote , Humans , Janus Kinase 2/genetics , Leukemia, Neutrophilic, Chronic/enzymology , Leukemia, Neutrophilic, Chronic/genetics , Mutation, Missense , Spleen/pathology , Tomography, X-Ray Computed , Tuberculosis, Splenic/complications , Tuberculosis, Splenic/diagnosis
2.
Nihon Kokyuki Gakkai Zasshi ; 47(6): 512-7, 2009 Jun.
Article in Japanese | MEDLINE | ID: mdl-19601529

ABSTRACT

A 82-year-old man was found to have mucinous bronchioloalveolar carcinoma associated with a cavity 10-cm in size in the right lower lobe, and he underwent a surgical lobectomy in April 2005 (pT2N0M0). Seven months after the surgery, chest images showed multiple metastases with thick-walled cavities in bilateral lung fields. The serial HRCT showed that thick-walled cavity lesions transformed into thin-walled cystic cavities associated with decreasing serum CEA levels. The patient's condition was good with best supportive care for 24 months from the time of recurrence. Subsequent progression of the thick-walled cavities into thin-walled cavities, was acompanied by re-elevation of serum CEA levels, and he died of respiratory failure 5 months after re-exacerbation. Macroscopic findings at autopsy showed multiple cavities in both lungs. Microscopic findings of the right lung showed desquamative mucinous bronchioloalveolar carcinoma cells lining the thick-walled cavity surface, and a single layer of tumor cells proliferating in the thin-walled cavity surface. Tumor cells with excessive mucus and necrosis were observed in the thick-walled cavities. It is suggested that thick-walled cavities were formed as a result of avascular necrosis and destruction of the pulmonary alveoli by excessive mucus, and thin-walled cavities were formed as a result of a check-valve mechanism.


Subject(s)
Adenocarcinoma, Bronchiolo-Alveolar/pathology , Lung Neoplasms/pathology , Aged, 80 and over , Autopsy , Humans , Male
3.
Intern Med ; 48(6): 459-63, 2009.
Article in English | MEDLINE | ID: mdl-19293547

ABSTRACT

We report a case of pulmonary Mycobacterium abscessus (M. abscessus) infection with destructive growth in the entire right lung. The patient was 56-year-old woman who had had pulmonary tuberculosis at the age of 40 and had been diagnosed as having pulmonary Mycobacterium abscessus infection 4 years prior to admission at our hospital. Although various antibiotics were administered, persistent fever, hemoptysis and weight loss developed. After undergoing a right pneumonectomy, her clinical symptoms improved dramatically and sputum excretions of M. abscessus ceased. No relapse of the disease has been observed in the 2 years since surgery. Pneumonectomy was very effective for refractory M. abscessus infection that destroyed the right lung.


Subject(s)
Mycobacterium Infections, Nontuberculous/surgery , Nontuberculous Mycobacteria/isolation & purification , Pneumonectomy/methods , Tuberculosis, Pulmonary/surgery , Diagnosis, Differential , Female , Follow-Up Studies , Humans , Middle Aged , Mycobacterium Infections, Nontuberculous/diagnosis , Mycobacterium Infections, Nontuberculous/microbiology , Tuberculosis, Pulmonary/diagnosis , Tuberculosis, Pulmonary/microbiology
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