Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0010200 (cough)
 23,843 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 37-year-old woman with a 20-year history of ulcerative colitis (UC) was admitted with complaints of cough and increasing sputum production. Chest computed tomography showed severe stenosis of the left main bronchus and bronchiectasis of the left lower lobe. Biopsy specimens from the area of bronchial stenosis showed chronic inflammation with lymphocyte infiltration, and we diagnosed respiratory involvement of UC. The bronchial stenosis was successfully treated with yttrium aluminum garnet (YAG) laser. UC is a systemic illness with occasional extraintestinal manifestations, but upper airway involvement is rare, and to our knowledge, this is the first published report of UC complicated with bronchopulmonary lesions with successful YAG laser treatment of the main bronchial stenosis.
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PMID:Severe tracheobronchial stenosis and bronchiectasis complicating ulcerative colitis. 2547 63

A 60-year-old man presented with an 18-month history of gradually worsening cough and a 12-month history of dyspnea on exertion. High-resolution computed tomography showed bilateral uniform ground grass opacity in the lower lung fields, partially resolved by smoking cessation. A tentative diagnosis of desquamative interstitial pneumonia (DIP) was made. Video-assisted thoracic surgery was performed and pathological analysis showed peribronchiolar fibrosis with intra-alveolar macrophage infiltration. Elemental analysis detected aluminum and iron in the upper lobe and only iron in the lower lobe. Thus, a definitive diagnosis of mixed dust pneumoconiosis with DIP-like reaction was made. DIP-like reaction is known to be a reactive change caused by exposure to tobacco smoke as well as by inhalation of inorganic particles. Obtaining a detailed medical history including occupational and environmental risk factors is important to distinguish cases of DIP-like reaction due to exposure to inorganic particles from the usual cases related to smoking, and thus provide suitable treatment.
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PMID:A case of mixed dust pneumoconiosis with desquamative interstitial pneumonia-like reaction in an aluminum welder. 2823 42

Positron emission tomography /CT images showed a moderately increased 18F-FDG uptake in the mass of left lung lower lobe superior segment (SUVmax: 2.71). No pathological 18F-FDG involvement was detected in another region of the whole body scan. The patient underwent tru-cut biopsy. Since histopathological diagnosis could not be made, thoracotomy was performed. Schwannomas are the second most common benign peripheral nerve sheath originated tumor. Due to its development from Schwann cells, it can be seen in all organs or tissues during intracranial, extracranial, or spinal nerve courses where these cells are found. Schwannomas are extremely rare in the lung, regardless of the patients age. Ohtsuka et al. (2005) stated that in the review of 62 patients with intrapulmonary or bronchial schwannoma (5-83 years; 28 male, 34 female patients), this neoplasm constitutes approximately 0.2% of all pulmonary neoplasms. Although it is usually sporadic and single lesion, it can also be seen with neurofibromatosis (NF)1 or NF2. Especially in schwannomatosis cases, NF2 is observed with multiple and benign characters. In patients with tumors located proximal to the lobar bronchus, atelectasis or pneumonia associated with cough and dyspnea may occur. However, most patients with peripheral intrapulmonary schwannoma have no symptoms. Fluorine-18 FDG-PET/CT is a useful imaging modality to separate malignant solitary pulmonary nodules from benign nodules. There are few cases of 18F-FDG PET/CT imaging intrapulmonary schwannoma in the literature. Maximum standard uptake values (SUVmax) of Schwannomas in 18F-FDG PET/CT are variable. SUVmax values are generally low and moderate, but have been shown to vary between 1.9-7.2. The reason for the variation in SUVmax is thought to be due to varying degrees of cellularity, microvascular density or vascular permeability. Histopathologically, dense cellular areas (Antony A) and more hypocellular areas (Antony B) specific to Schwannoma appear in varying proportions. Also, the structure formed by spindle schwann cells side-by-side within the fields of Antony (Verocay body) is characteristic. Surgical resection, endoscopic resection and yttrium aluminum garnet (YAG) laser resection were used for the treatment of primary intrapulmonary schwannoma. The contribution of 18F-FDG PET/CT in schwannoma is that it provides malign and benign distinctions of intrapulmonary masses. However, a cutoff for SUVmax has not been identified in the malignant benign distinction. The diagnosis must be verified histopathologically.
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PMID:An intrathoracic schwannoma case in 18F-FDG PET/CT scan. 3271 13


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