Gene/Protein Disease Symptom Drug Enzyme Compound
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Fatal cytauxzoonosis is described in a captive reared lioness (Panthera leo) and its 6-month-old cub. Clinical signs in the lioness included loss of weight, depression, anaemia, loss of hair, dark discolored urine, tachypnoea, nystagmus, deaphness and staggering gait. The cub died after a short period of depression. In the lioness, laboratory examination revealed normochromic normocytic anaemia, neutrophilia, lymphopenia, monocytosis, eosinopenia, thrombocytopenia, proteinuria, pyuria, haematuria and increased. At necropsy the lioness showed marked pulmonary edema and slight gelatinous translucent edema in the mediastinum, petechiae and echymosis disseminated in the serosae, and the intestinal content was red and semiliquid. The cub presented hemothorax, endocardial and pulmonary edema, petechiae in the cardiac serosae, hepatic and splenic congestion and segments of the small intestine with blood stained fluid contents and reddish mesenteric lymph nodes. Histopathological examination of liver, spleen, heart, lungs, intestines, pancreas, mesenteric lymph nodes, kidneys, skeletal muscle, brain and skin revealed large number of intravascular macrophages with their cytoplasm filled with various schizogonic stages of a Theileriidae. Electron microscopy confirmed the presence of schizonts in endothelial-associated macrophages. The diagnosis was established by the finding of the pathognomonic schizonts in macrophages within blood vessels in several organs and tissues from both lions. This is the first report of feline cytauxzoonosis in P. leo and of a confirmed infection by Cytauxzoon felis in felidae in South America.
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PMID:Fatal cytauxzoonosis in captive-reared lions in Brazil. 1730 59

The dipstick testing, microscopic examination of urine and urine cytology were performed for inhabitants from two rural villages (El Shobak El Sharki, V.1 & El Katta, V.2) in Giza G. The proliferating cell nuclear antigen (PCNA) and Schistosoma haematobium antigen were done by immuno-histochemical stain to confirm diagnosis. Also, they were subjected to medical questionnaire, clinical examination, ultra-sonography of kidneys and urinary tract. The results showed that V.2 had higher percentage of haematuria, proteinuria, glucosuria and lower urinary tract infection than V.1. Crystaluria was higher in V.1. Sensitivity of dipstick testing compared to microscopic examination was 26.6%, & specificity was 78.7%. Lower urinary tract infection cytologically detected was 44.2% sensitivity & 62.5% specificity compared to pyuria detected by microscopic examination of urine. Among those suffering variable urinary abnormalities, schistosome antigen was not detected in any fixed urine samples in comparison to corresponding confirmed positive controls. Urine cytology detected urinary tract infection, crystaluria, dysplasia and atypia, squamous metaplasia and transitional cell carcinoma (TCC). PCNA positivity was found in TCC (100%), dysplasia (50%) and squamous metaplasia (28.6%). So, microscopic examination of urine proved valuable for tract abnormalities as pyuria, haematuria and crystaluria. Also, urine cytology is a must for malignancy of urinary tract especially in adult males.
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PMID:Epidemiologic approach for early detection and control of renal and urinary tract diseases in rural populations. 1758 May 86

A severely ill 65-year-old man presented with symptoms of shortness of breath, edema and vasculitidic purpura over his lower extremities. He had severe mitral regurgitation which had not been surgically treated. Hematologic examination demonstrated leukocytosis with profound anemia. Other blood tests revealed impaired renal function, hypoalbuminemia, hypocomplementemia and mixed-type cryoglobulinemia. Urinalysis showed proteinuria, hematuria and pyuria, typical of a nephritic sediment. Renal biopsy indicated diffuse proliferative glomerulonephritis and a "full house" deposition in immunofluorescence study (positive for C3, C4, C1q, IgG, IgA and IgM), resembling the pathologic findings in class IV lupus nephritis. Although subacute bacterial endocarditis was initially suspected owing to a history of a predisposing valvular heart disease, probable vegetation shown by cardiac sonography and a clinical picture suggestive of a chronic infection, it was thought unlikely due to the entire afebrile course and initial sterile blood cultures. However, the blood cultures repeated 2 weeks after admission grew 3 sets of viridans streptococci. Following a course of penicillin and gentamicin treatment, his renal function, anemia and abnormal urine sediments improved gradually. Diffuse proliferative glomerulonephritis is well known to occur in infective endocarditis. However, the "full house" immunostaining in immunofluorescence study has never been reported. This case adds a new entity to the differential diagnosis of "full house" immune complex-related glomerulonephritis and exemplifies the need to maintain a high index of suspicion for underlying infectious disorders when facing glomerulonephritic or vasculitic syndrome.
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PMID:"Full house" proliferative glomerulonephritis: an unreported presentation of subacute infective endocarditis. 1804 78

Symptoms from the genitourinary system are unusual in Kawasaki disease (KD). Renal involvement is even rarer and it is confirmed by biopsy when the person is alive. We describe the case of an 11-year-old boy admitted to the hospital complaining about prolonged fever (5 days) and hematuria. His urinalysis showed also pyuria, proteinuria and urinary renal tubular epithelial cells concentrations. During the next days, the patient presented limb edema. After almost 2 weeks of hospitalization the patient was transferred to the intensive care unit because of melena and intense abdominal pain. Upon admission, the patient collapsed and died. The diagnosis of KD was established during autopsy. The macroscopical and histopathological examination of the heart showed increased dimensions and weight and multiple thrombi in the coronary arteries with intramural dense polymorphonuclear inflammatory infiltration and necrosis. Histological examination of the kidneys revealed normal glomerulus, mild expansion of mesangial matrix, interstitial infiltration with lymphocytes, plasmatocytes and eosinophiles, normal vessels and normal immunofluorescence.
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PMID:Atypical kawasaki disease presenting with symptoms from the genitourinary system: an autopsy report. 1866 30

A 65-year-old white female patient with normal baseline renal function was referred to our hospital with nonoliguric renal failure requiring hemodialysis after progressive deterioration over the previous 6 months. Her past medical history was remarkable for easy fatigability, weight loss, low-grade fever, hypogammaglobulinemia and mild hepatosplenomegaly manifested over the past 6 years. Several liver and bone marrow biopsies during that period had shown a nonspecific polyclonal T-cell infiltration, and she was administered low-dose steroids for symptomatic relief. Physical examination, laboratory workup and imaging studies at presentation showed pancytopenia, hepatosplenomegaly, large symmetric kidneys with normal cortices and no evidence of obstructive uropathy, aseptic pyuria with neutrophils and lymphocytes and mild proteinuria. On biopsy the renal interstitium was infiltrated by large, granular CD3+CD8+CD56-CD57+ lymphocytes, clonal by molecular analysis, which established the diagnosis of T-cell large granular lymphocyte leukemia. Most urinary and peripheral blood lymphocytes bore the same T-LGL surface markers and were also clonal, as shown by flow-cytometry and PCR amplification of the T-cell receptor g-chain genes. A subsequent bone marrow biopsy revealed infiltration by lymphoma cells and excluded a myelodysplastic or hemophagocytic syndrome. After exclusion of an underlying EBV, CMV, HBV, HCV or HIV infection with negative serology and blood PCR the patient received one cycle of chemotherapy with cyclophosphamide, vincristine and prednisone. No improvement of renal function was achieved, while complication with a prolonged pulmonary infection and severe sepsis precluded further treatment. Our report indicates that the T-LGL leukemia should be considered in the differential diagnosis of renal failure with large-sized kidneys, especially when hepatosplenomegaly, pancytopenia and aseptic pyuria are also present. In the latter case, flow-cytometric and clonality analysis of the urine sediment can aid in establishing a diagnosis. Since renal function may deteriorate rapidly, chemotherapy should not be delayed.
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PMID:T-cell large granular lymphocyte leukemia presenting as end-stage renal disease: the diagnostic role of flow-cytometric and clonality analysis of the urine sediment. 1920 16

A 21-year-old male patient with the clinical tetrad of arthritis, urethritis, conjunctivitis, and mucocutaneous lesions, commonly known as Reiter syndrome was presented. He was hospitalized in poor condition, with fever, bilateral conjunctivitis, swollen and painful knee and tarsal joints, low back pain, Achilles tendonitis, dactilitis, keratoderma blenorrhagica, purulent urethritis, circinate balanitis, and oral erosive lesions. Radiography and Computerized Axial Tomography (CAT) showed sacroileitis, spondilosis thoracalis, and arthritis of the feet. The laboratory studies revealed anemia, neutrophilic leukocytosis, elevated erythrocyte sedimentation rate (ESR), hypoalbuminemia, negative rheumatoid factor, pyuria, proteinuria, and the presence of HLA-B27. The microbiological examinations of samples from pustular lesions, throat, eyes, urethra, stool, and blood were sterile. Urethral smear was positive for Chlamydia trachomatis (PCR). The histopathological picture of skin lesions was consistent with pustular psoriasis. Systemic treatment with antibiotics, corticosteroids, and non-steroidal anti-inflammatory drugs produced clinical improvement. This clinical syndrome requires comprehensive evaluation and multidisciplinary management.
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PMID:Clinical tetrad of arthritis, urethritis, conjunctivitis, and mucocutaneous lesions (HLA-B27-associated spondyloarthropathy, Reiter syndrome): report of a case. 1926 17

Brucellosis which is a endemic in Turkey, is a systemic infection which can affect any organ or system in the body. Since signs and symptoms of brucellosis resemble many other diseases, misdiagnosis and related increase in morbidity rate, are common. In this report, a case of brucellosis complicated with endocarditis, pyelonephritis, sacroileitis and thyroiditis, was presented. The case was a 32-years-old female patient in whom the diagnosis of brucellosis was delayed by 12 months since it was not taken into consideration during the clinical follow-up of the patient in various clinical centers. The patient was admitted to our center with the complaints of fever, headache, back pain, night sweats, fatigue, loss of appetite, weight loss, dysuria and polyuria. The patient had a history of consumption of raw milk and dairy products. Positive Brucella tube agglutination test (1/1280) and isolation of Brucella spp. in blood cultures led to the diagnosis of brucellosis. Sacroileitis was diagnosed upon pain on right hip joint movements, pain and restriction at the same joint in FABER test. The detection of vegetation during echocardiography, cardiac murmur during physical examination and the determination of increased ESR and CRP levels led to the diagnosis of endocarditis. Abdominal ultrasonography and urinalysis results (hematuria, proteinuria and pyuria) revealed pyelonephritis and increased free T3 and T4, decreased TSH and positive anti-thyroid autoantibodies (anti-TG, anti-TPO) revealed thyroiditis. Treatment was started with combination of rifampisin (1 x 600 mg/day) and doxycycline (2 x 100 mg/day). After the diagnosis of endocarditis, trimethoprim-sulfamethoxazole (3 x 960 mg/day) and streptomycin (1 x 1 g/day) were added to the treatment. Valve replacement surgery was planned, however, the patient didn't accept surgical intervention and antimicrobial treatment continued with streptomycin for 21 days and other antibiotics for six months. The patient exhibited significant improvement after the medical treatment. Although sacroileitis is a frequent complication of brucellosis, endocarditis, thyroiditis and pyelonephritis are among the rare complications. In cases of brucellosis with multiorgan involvement including endocarditis, successful results may be achieved by aggressive antimicrobial treatment. In endemic areas, brucellosis should always be taken into consideration in patients with fever of unknown origin and multisystem involvement.
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PMID:[A case of brucellosis complicated with endocarditis, pyelonephritis, sacroileitis and thyroiditis]. 1933 91

We report a 43-year-old woman with tubulointerstitial nephritis and uveitis syndrome (TINU syndrome) presented with a 5-day complaint of chills and fever, anorexia, nausea, and vomiting. She had elevated BUN and creatinine and urinalysis revealed decreased concentration, proteinuria, hematuria, and pyuria. A kidney biopsy showed non-caseating granulomatous tubulointerstitial nephritis. She suffered from anterior uveitis one month before, which was managed with local ophthalmic steroids. She received two months of oral high dose prednisolone, which was tapered over the next two months, and two months of 2 mg/kg cyclophosphamide. Her renal function recovered during the first two months. Her kidney and ocular symptoms did not recur during one year of follow-up. We suggest short course of cyclophosphamide and prednisolone for treatment of TINU syndrome to decrease the recurrence of kidney and ocular involvement.
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PMID:Short course of cyclophosphamide therapy may reduce recurrence in patients with tubulointerstitial nephritis and uveitis syndrome. 1958 11

Drug-induced nephrotoxicity is a common complication of several medications and diagnostic agents. It is seen in both inpatient and outpatient settings with variable presentations ranging from mild, reversible injury to advanced kidney disease. Manifestations of drug-induced nephrotoxicity include acid-base abnormalities, electrolyte imbalances, urine sediment abnormalities, proteinuria, pyuria, hematuria, and, most commonly, a decline in the glomerular filtration rate. The mechanisms of drug-induced nephrotoxicity may differ between various drugs or drug classes, and they are generally categorized based on the histological component of the kidney that is affected. Aminoglycoside antibiotics, radiocontrast media, conventional nonselective nonsteroidal anti-inflammatory drugs, and selective cyclooxygenase-2 inhibitors, amphotericin B, and angiotensin-converting enzyme inhibitors have been frequently implicated. This chapter reviews the clinical presentation and basic mechanisms of drug-induced nephrotoxicity.
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PMID:Mechanisms of drug-induced nephrotoxicity. 2002 Feb 61

The objective of this study was to assess isolated pyuria in an unselected systemic lupus erythematosus sample, and to determine factors potentially associated with this manifestation. We studied patients followed in our lupus clinic, defining isolated pyuria as more than 10 white blood cells per high power field in the absence of hematuria, proteinuria, casts, or bacteriuria. We assessed the effects of various demographic and clinical factors on the occurrence of isolated pyuria, using univariate logistic regression analyses. We also performed multivariate models which included sex, age, race/ethnicity, systemic lupus erythematosus duration, non-renal systemic lupus erythematosus disease activity, systemic lupus erythematosus damage, number of non-renal and renal American College of Rheumatology criteria ever present, pre-existing hypertension, and current drug exposures. Of 264 subjects, 66 were excluded (43 had bacteriuria or a contaminated urine culture and 23 had no concomitant urine culture); 27 of the remaining 198 (13.6%) had isolated pyuria. Sixteen of 27 patients with sterile pyuria had previous American College of Rheumatology criteria for renal involvement (hematuria, casts, and/or proteinuria) compared to 62/171 patients without sterile pyuria (unadjusted odds ratio = 2.55; 95% confidence interval = 1.11-5.85). Our univariate analyses also suggested a trend towards higher non-renal disease activity in patients with isolated pyuria. Independent associations were not evident in adjusted analyses. Isolated pyuria was observed in a significant number of our systemic lupus erythematosus sample. Although the differential diagnosis for isolated pyuria is broad, this manifestation may be correlated with lupus activity even in the absence of hematuria or proteinuria. Lupus (2010) 19, 793-796.
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PMID:Isolated pyuria in systemic lupus erythematosus. 2030 45


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