• Journal of Chest Surgery
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• v.30 no.10
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• pp.1040-1043
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• 1997

We report a patient who suffered from bronchiolitis obliterans organizing pneumonia(BOOP) after Ivor Lewis operation for esophageal cancer. The patient presented low grade fever, dry cough and mild dyspnea at day after operation. Chest roentgenograms and chest CT revealed bilateral patchy and infiltrative shadows. The respiratory symptoms worsened and respiratory failure developed with mild elevation of WBC count despite of conservative treatment. An open lung biopsy was done and the biopsy specimen showed bronchiolitis obliterans organizing pneumonia(BOOP). After several weeks of steroid therapy, there were marked clinical, physiological and roentgenographic improvements. Our experience suggests that BOOP may be one of the underlying pathology in a number of patients presenting with ARDS after thoracotomy. Since steroid therapy may improve survival in these patients, thoracic surgeons should heighten their index of suspicion for this entity. Early histologic diagnosis should be considered in patients with treatment-resistant ARDS after thoracotomy.

• Tuberculosis and Respiratory Diseases
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• v.54 no.2
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• pp.129-144
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• 2003

Usual interstitial pneumonia/Idiopathic pulmonary fibrosis, nonspecific interstitial pneumonia, Cryptogenic organizing pneumonia(bronchiolitis obliterans organizing pneumonia : BOOP), Acute interstitial pneumonia, respiratory bronchiolitis-associated interstitial lung disease, Desquamative interstitial pneumonia, Lymphoid interstitial pneumonia.

• Tuberculosis and Respiratory Diseases
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• v.50 no.4
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• pp.504-509
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• 2001

There are numerous agents with potential toxic effects on the lung. In particular, cytotoxic drugs constitute the largest and most important group of agents associated with lung toxicity. Bleomycin is commonly used, either alone or in combination with other chemotherapeutic agents, in the treatment of squamous cell carcinoma(head and neck, esophagus, and genitourinary tract), lymphoma, and germ cell tumor. One of the therapeutic advantages of bleomycin is its minimal bone marrow toxicity. However, pulmonary toxicity is one of the most serious adverse side effects. Classically, pulmonary toxicity manifests as a diffuse interstitial process or less commonly as a hypersensitivity reaction. This pulmonary toxicity is generally considered to be dose related and can progress to a fatal fibrosis. It is also possible that bronchiolitis obliterans organizing pneumonia(BOOP) is another manifestation of bleomycin induced toxicity. Bleomycin induced BOOP is less common and has a favorable response to steroid therapy. Here we present a case that demonstrates a BOOP, secondary to a relatively small cumulative dose of bleomycin($225mg/m^2$), may be reversible.

• Tuberculosis and Respiratory Diseases
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• v.72 no.3
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• pp.323-327
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• 2012

5-Aminosalicylate agents are the main therapeutic agents for ulcerative colitis. Balsalazide is a prodrug of 5-aminosalicylate and has fewer side effects than the other 5-aminosalicylate agents. Pulmonary complications resembling granulomatosis with polyangiitis in ulcerative colitis are extremely rare. Here, we report a patient with ulcerative colitis on balsalazide presenting respiratory symptoms and multiple pulmonary nodules from a chest radiography that was pathologically diagnosed with a limited form of granulomatosis with polyangiitis with bronchiolitis obliterans organizing pneumonia-like variant. To our knowledge, this is the first report of a balsalazide-induced limited form of granulomatosis with polyangiitis with bronchiolitis obliterans organizing pneumonia-like variant.

• Tuberculosis and Respiratory Diseases
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• v.44 no.6
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• pp.1218-1224
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• 1997

세기관지를 침범하는 많은 질환들이 세기관지에 유사한 병리소견을 일으킴으로 이들의 원인, 병인, 진단을 위하여서는 임상 및 병리소견을 연관시킴이 거의 필수적이다. Small airways disease를 포함한 세기관지 질환의 병리소견 특히 호흡성 세기관지염, bronchiolitis obliterans organizing pneumonia, constrictive bronchiolitis obliterans 등에 대하여 중점적으로 기술하였다. BOOP은 어떤 급성 폐손상에 대한 비특이성 소견이며 조직병리적인 기술이다. 반면 Idiopathic BOOP은 COP와 동의어로써 특정한 질환이며 이의 주된 병리소견이 BOOP인 것으로 이해하는 것이 좋겠다. Constrictive bronchiolitis obliterans는 임상적으로나 병리학적으로 BOOP과는 다르다고 하겠다.

• Tuberculosis and Respiratory Diseases
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• v.48 no.5
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• pp.794-801
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• 2000

BOOP(Bronchiolitis Obliterans Organizing Pneumonia) is an inflammatory reaction that follows damage to the bronchiolar epithelium of the small conducting airways. BOOP is characterized by the pathologic finding of excessive proliferation of granulation tissue within the respiratory bronchioles, alveolar duct and spaces, accompanied by organizing pneumonia in the more distal parenchyma BOOP may result from diverse causes such as toxic fumes, connective tissue disorders, infections, organ transplantation and drugs or appear idiopathically. Drug induced BOOP has been described in association with acebutolol, amiodarone, cephalosporin, bleomycine, tryptophan, gold salts, barbiturates, sulfasalazine, and carbamazepine. Carbamazepine is an iminostilbene derivative that is used as both an anticonvulsant and pain reliever for pains associated with trigeminal neuralgia. It is structually related to the tricyclic antidepressants. To our knowledge, there have been no previously reported case that has described development of BOOP during carbamazepine treatment in Korea, and only two cases have been reported in the world. We report a case carbamazepine-induced BOOP with a brief review of literature.

• Tuberculosis and Respiratory Diseases
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• v.59 no.5
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• pp.561-565
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• 2005

Bronchiolitis obliterans organizing pneumonia (BOOP) is often diagnosed in patients with pneumonia who respond poorly to antibiotics. BOOP is often idiopathic, and the etiology of the remaining cases has been attributed to a wide range of agents or medical conditions. When a patient develops the clinical symptoms characteristic of BOOP, the medical team must endeavor to determine the etiology of this disease because it can be treated with glucocorticoid and avoidance of the causative agent. In particular, if BOOP is diagnosed during or after chemotherapy for a malignancy, the possible culprit agent can be the anti cancer drugs but other drugs used for supportive care must be also be considered. We report a case of BOOP that arose after CHOP chemotherapy and a filgrastim injection in a patient with a diffuse large B-cell lymphoma.

• Tuberculosis and Respiratory Diseases
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• v.59 no.3
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• pp.315-320
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• 2005

A rapid response to corticosteroid treatment and a generally favourable outcome are characteristic features of BOOP (Bronchiolitis obliterans organizing pneumonia). However, with increasing experience of the clinical spectrum of this disease, it is now recognized that some patients are refractory to steroid, which is associated with a poor prognosis. Here, two cases of BOOP initially treated with predinisone and antibiotics without effects, but subsequently responded to secondary cyclosporine treatment, are reported.

• Tuberculosis and Respiratory Diseases
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• v.46 no.1
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• pp.89-95
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• 1999

Bronchiolitis obliterans organizing pneumonia (BOOP) preceding polymyositis is rare. In this report, a 40-year-old patient with fever, chillness, generalized myalgia and progressive exertional dyspnea, had bilateral interstitial infiltrates on chest radiograph. High-Resolution CT showed subpleural and peribronchial distribution of airspace consolidation. Open lung biopsy was consistent with BOOP. Prednisolone therapy led to improvement, but during tapering of prednisolone for 3 months to 30 mg, he complained of weakness of both lower legs. One month later, prednisolone was tapered to 15 mg a day, fever. chillness and generalized myalgia were recurred. He complained of weakness of both arms. The creatine kinase (CK) with MM isoenzyme, lactate dehydrogenase (LDH) and aspartate aminotransferase (AST) were elevated. Anti-Jo1 antibody was positive. Vastus lateralis muscle biopsy was compatible with polymyositis. After injection of methylprednisolone for 1 week, the patient became afebrile, the dyspnea resolved, the pulmonary infiltrates decreased, and the muscle strength improved. The serum CK, LDH, AST levels declined significantly. Patients with idiopathic BOOP should have follow-up for the possible development of connective tissue disorders including polymyositis.

• Tuberculosis and Respiratory Diseases
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• v.67 no.4
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• pp.364-368
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• 2009

Bronchiolitis interstitial pneumonitis (BIP), an unclassified and newly described interstitial pneumonia, has a combined feature of prominent bronchiolitis, interstitial inflammation, and fibrosis. It is distinct from bronchiolitis obliterans or bronchiolitis obliterans organizing pneumonia (BOOP). BIP has a better prognosis than common cases of interstitial pneumonia. However, BIP has a poorer prognosis than BOOP. BIP's response to corticosteroids is not as successful as BOOP's response to this treatment. We encountered the case of a 31-year-old woman with BIP with an initial presentation of dyspnea and a cough that had lasted for 3 months. The patient's chest CT scan demonstrated patchy ground glass opacities and multiple ill-defined centrilobular nodules in both lungs, suggesting military tuberculosis or nontuberculous mycobacterial infection. A video-assisted thoracoscopic lung biopsy resulted in the diagnosis of BIP. Clinical symptoms, pulmonary lesions, and pulmonary function tests were improved after oral glucocorticoid therapy.