Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0032285 (pneumonia)
 54,520 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The efficacy and outcome of bone marrow transplantation therapy following lethal irradiation were examined in syngeneic mice that had a hereditary macrocytic anemia (an/an) or were genotypically normal (+/+). Successful RBC and WBC replacement, based on blood cell parameters and donor genetic markers, were observed in all combinations of transplant therapy. Nevertheless, the an/an mice died prematurely several months after treatment, whether they received +/+ or an/an marrow cells. In contrast, the +/+ recipients of either +/+ or an/an marrow cells survived for at least 1 year after transplantation. Premature death of the an/an mice was associated with lymphopenia, anemia, kidney lesions, and severe pathogen-free pneumonitis. On the basis of our results, we hypothesize that the premature deaths of an/an mice are caused by a kind of chronic irradiation damage to which an/an mice are especially susceptible.
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PMID:Deleterious effects of irradiation and bone marrow transplantation therapy in the genetically anemic an/an mouse. 264 75

A 33 year-old man with undiagnosed neuropathy showing mental retardation and involuntary movements has been nourished for a long period by total parenteral nutrition (TPN) because of frequent vomiting and repeated aspiration pneumonitis. After ten months' TPN, macrocytic anemia and neutropenia developed and iron preparation was administered without hematological improvement. Bone marrow examination revealed normocellular marrow without features of megaloblastosis and dysplasia. In some erythroblasts and immature myeloid cells, vacuoles were observed and mature granulocytes were reduced in the bone marrow. Both serum copper and ceruloplasmin were very low (12 micrograms/dl and 7mg/dl, respectively). Thus, oral administration of copper sulfate resulted in marked increase of reticulocytes and subsequent improvement of anemia and neutropenia within two months. Copper deficiency is a rare condition, but during an unusual nutrition such as TNP, hematological abnormality due to copper deficiency must be noticed to occur.
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PMID:[Anemia and neutropenia due to copper deficiency during long-term total parenteral nutrition]. 849 15

Diamond-Blackfan anemia (DBA) is a congenital erythroid aplasia or hypoplasia presenting in infancy as a macrocytic anemia. It has been linked to a gene defect resulting in the absence of specific ribosomal proteins that enable erythroid maturation. Treacher Collins syndrome is also associated with defective ribosomal biogenesis. Fifty percent of patients with DBA also present with additional physical abnormalities including growth delay, craniofacial abnormalities, upper limp abnormalities, cardiac defects, urogenital malformations, and cleft palate. Upper airway obstruction may be a complication from craniofacial disorders and may be responsible for life-threatening sleep apnea that may result in pneumonia or respiratory failure. This report is of a patient with DBA who presented at birth with respiratory distress secondary to tongue-based obstruction of the airway due to mandibulofacial dysostosis leading to need for intubation. In an effort to avoid a tracheostomy, the patient underwent bilateral internal mandibular osteodistraction on day 4 of life with a latency period of 0 days and a distraction at a rate of 2 mm/d for 10 days until a class 3 dental occlusion existed with 5 mm of overcorrection. In addition, the patient was born with choanal atresia that was repaired at day 30 of life. After completion of the mandibular distraction, the patient has avoided tracheostomy and is now 6 months of age. Recent polysomnogram has demonstrated no significant apnea or hypopnea.
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PMID:Curvilinear mandibular distraction in a patient with mandibulofacial dysostosis associated with Diamond-Blackfan anemia. 1981 70

A 57-year-old man was admitted to our hospital with a high fever and productive cough. He had a previous history of total gastrectomy and splenectomy at the age of 45 years due to gastric cancer. He also showed severe macrocytic anemia with low vitamin B12, and an infiltrative shadow was found in the right lung on an X-ray. Sputum examination on admission revealed no significant pathogenic bacteria, and an acid-fast stain and a M. tuberculosis PCR test were negative. QuantiFERON TB-2G Test (QFT) was negative on admission. Because pneumococcal antigen in the urine was positive, we initially diagnosed pneumococcal pneumonia and treatment with antibiotics was started. However, symptoms were not resolved with several antibiotics, finally, a thoracoscopic lung biopsy under general anesthesia was performed for a definitive diagnosis. The biopsy showed epithelioid cell granuloma in the alveolar spaces, and the 8 weeks culture of sputum taken on admission revealed M. tuberculosis. Finally, a pulmonary tuberculosis was diagnosed and treatment with four drugs of HERZ was begun. We have encountered a case of pulmonary tuberculosis combined with a lobar pneumococcal pneumonia, and negative for QFT. In general, splenectomy is known as a risk factor of pneumococcal infection. And vitamin B12 deficiency due to gastrectomy is one of the risk factors for cellular immunity impairment and was possibly to the false negative QFT and development of TB.
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PMID:A case of pulmonary tuberculosis with false negative QuantiFERON TB-2G Test. 2241 76