Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:3.4.15.1 (ACE)
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A 31-year-old man presented with a widespread papular eruption and systemic symptoms including renal colic and decreased exercise tolerance. The combination of clinical features and laboratory investigations that revealed an elevated angiotensin converting enzyme level and hypercalcaemia enabled a diagnosis of sarcoidosis to be made. Multiple skin biopsies showed prominent Touton-like giant cells which delayed the diagnosis. Giant cells are frequently seen in sarcoidal granulomas but in some cases their prominence and Touton-like appearance may suggest alternative diagnoses such as xanthogranulomas.
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PMID:Sarcoidosis with prominent giant cells. 1190 66

The bilateral primary renal lymphoma (PRL) is a rare disease with a high mortality rate (75% within the first year). We report the case of a fifty-three years old women observed in January 2011 for renal colic. Ultrasonography showed hypoechoic lobular formations in the kidney. Blood tests showed: creatinine 1.8 mg/dl, urea 75 mg/dl , Creatinine Clerance 35 ml/m, hemoglobinemia 11 g/dl, with blood cells 8.500/mcL, Albumin 2.8 g/dl, Beta -2 micro - 27.3/mL. Proteinuria was 0.3 g/24 hours. The CT scan showed kidneys with larger dimensions and multiple hypodense areas infiltrating the renal parenchyma with contrast-enhanced low in which kidneys had lesions similar to "leopard skin". The CT scan showed no enlarged lymph nodes. Renal biopsy showed: renal parenchyma largely occupied by infiltration of lymphoid elements, small and medium-sized, densely packed with compression of the tubular structures . Immunofluorescence for immunoglobulin (Ig) G, IgA, IgM, C3, C4, C1q, fibrinogen, kappa and lambda were negative. The bone marrow biopsy excluded lymphomatous infiltration. The histological diagnosis was "non-Hodgkin's B-cell lymphoma"; the clinical diagnosis was LRBP. The patient was treated by 6 cycles of R-CHOP-21 protocol (rituximab - endoxan, adriblastina , vincristine, prendnisone), the latter of which practiced in August 2011. The pt is currently in follow-up hematology and nephrology . The first TAC control , in October 2011, showed a complete regression of the lesions infiltrating . This finding was confirmed by two other CT scan performed in February and October 2012. The last blood tests of February 2013 showed : creatinine 1.1 mg / dl , Urea 40 mg/dl, proteinuria absent. Currently, the pt is asymptomatic and is being treated by low dose of ACE inhibitor. The bilateral PRL is considered a severe disease with one-year mortality of 75% . The successful outcome of the case described can be attributed to haematological therapy and to the early diagnosis.
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PMID:[The bilateral renal lymphoma: an incurable disease? Case report]. 2467 46