Acute renal failure from spontaneous acute tumor lysis syndrome: a case report and review

Acute tumor lysis syndrome (ATLS), a condition which results from a rapid destruction of tumor cells with massive release of cellular breakdown products, has been well described. However, only a few cases of spontaneous ATLS have been reported in the literature. Acute renal failure (ARF) from spontaneous ATLS has been reported only in three patients who were diagnosed to have Burkitt's lymphoma, adenocarcinoma, and acute myeloid leukemia. We report a similar case of a patient with non-Hodgkin's lymphoma, who developed ARF from spontaneous ATLS. ARF can complicate the clinical course of spontaneous ATLS. Since only one patient survived, patients who develop ARF from spontaneous ATLS have a poor outcome. This paper illustrates the need to anticipate the development of ARF, despite aggressive therapy, in a patient with spontaneous ATLS. Prospective studies on renal function prior to and during therapy are required in order to develop a clinical profile reliably detecting patients at risk for developing renal failure and subsequent complication.     

Acute renal failure in the neonatal period

Acute renal failure (ARF) is a common problem in the neonatal intensive care unit (NICU). In most cases, ARF is associated with a primary condition such as sepsis, metabolic diseases, perinatal asphyxia and/or prematurity. This retrospective study investigated the course of illness, therapeutic interventions, early prognosis and risk factors associated with development of ARF in the neonatal period. A total of 1311 neonates were treated in our NICU during the 42-month study period, and 45 of these babies had ARF. This condition was defined as serum creatinine level above 1.5 mg/dL despite normal maternal renal function. The data collected for each ARF case were contributing condition, cause and clinical course of ARF, gestational age and birth weight, age at the time of diagnosis, treatment, presence of perinatal risk factors and need for mechanical ventilation. The frequency of ARF in the NICU during the study period was 3.4%. Premature newborns constituted 31.1% of the cases. The mean birth weight in the group was 2863 +/- 1082 g, and the mean age at diagnosis was 6.2 +/- 7.4 days. The causes of ARF were categorized as prerenal in 29 patients (64.4%), renal in 14 patients (31.1%) and postrenal in 2 patients (4.4%). Forty-seven percent of the cases were nonoliguric ARF. Asphyxia was the most common condition that contributed to ARF (40.0%), followed by sepsis/metabolic disease (22.2%) and feeding problems (17.8%). Therapeutic interventions were supportive in 77.8% of the cases, and dialysis was required in the other 22.2%. The mortality rate in the 45 ARF cases was 24.4%. Acute renal failure of renal origin, need for dialysis, and need for mechanical ventilation were associated with significantly increased mortality (p<0.05). There were no statistical correlations between mortality rate and perinatal risk factors, oliguria, prematurity or blood urea nitrogen and creatinine levels. The study showed that, at our institution, ARF in the neonatal period is frequently associated with preventable conditions, specifically asphyxia, sepsis and feeding problems. Supportive therapy is effective in most cases of neonatal ARF. Acute renal failure of renal origin, need for dialysis, and need for mechanical ventilation were identified as indicators of poor prognosis in these infants. Early recognition of risk factors and rapid effective treatment of contributing conditions will reduce mortality in neonatal ARF.     

Acute Renal Failure in the Neonatal Period

Acute renal failure (ARF) is a common problem in the neonatal intensive care unit (NICU). In most cases, ARF is associated with a primary condition such as sepsis, metabolic diseases, perinatal asphyxia and/or prematurity. This retrospective study investigated the course of illness, therapeutic interventions, early prognosis and risk factors associated with development of ARF in the neonatal period. A total of 1311 neonates were treated in our NICU during the 42‐month study period, and 45 of these babies had ARF. This condition was defined as serum creatinine level above 1.5 mg/dL despite normal maternal renal function. The data collected for each ARF case were contributing condition, cause and clinical course of ARF, gestational age and birth weight, age at the time of diagnosis, treatment, presence of perinatal risk factors and need for mechanical ventilation. The frequency of ARF in the NICU during the study period was 3.4%. Premature newborns constituted 31.1% of the cases. The mean birth weight in the group was 2863 ± 1082 g, and the mean age at diagnosis was 6.2 ± 7.4 days. The causes of ARF were categorized as prerenal in 29 patients (64.4%), renal in 14 patients (31.1%) and postrenal in 2 patients (4.4%). Forty‐seven percent of the cases were nonoliguric ARF. Asphyxia was the most common condition that contributed to ARF (40.0%), followed by sepsis/metabolic disease (22.2%) and feeding problems (17.8%). Therapeutic interventions were supportive in 77.8% of the cases, and dialysis was required in the other 22.2%. The mortality rate in the 45 ARF cases was 24.4%. Acute renal failure of renal origin, need for dialysis, and need for mechanical ventilation were associated with significantly increased mortality (p < 0.05). There were no statistical correlations between mortality rate and perinatal risk factors, oliguria, prematurity or blood urea nitrogen and creatinine levels. The study showed that, at our institution, ARF in the neonatal period is frequently associated with preventable conditions, specifically asphyxia, sepsis and feeding problems. Supportive therapy is effective in most cases of neonatal ARF. Acute renal failure of renal origin, need for dialysis, and need for mechanical ventilation were identified as indicators of poor prognosis in these infants. Early recognition of risk factors and rapid effective treatment of contributing conditions will reduce mortality in neonatal ARF.     

Acute renal failure due to non-Hodgkin lymphoma infiltration of the kidneys detected by ultrasonography and confirmed by positron emission tomography

Acute renal failure (ARF) as a consequence of non-Hodgkin lymphoma infiltration of the kidneys (LIK) is an uncommon complication of non-Hodgkin lymphoma. In literature, ARF due to LIK is reported in progressive disease. A case of non-oliguric acute renal failure secondary to relapse of large B cell non-Hodgkin lymphoma primarily localized in the mediastinum is reported. LIK of both kidneys was diagnosed by ultrasonography, computer tomography scan and 18-fluorodeoxyglucose positron emission tomography. No other causes for renal failure were found. The prognosis of renal involvement in relapsed non-Hodgkin lymphoma is poor, as is demonstrated by our case.     

Acute Renal Failure Secondary to Small Cell Lung Cancer with Tumor Infiltration of the Kidneys

Acute renal failure secondary to tumor infiltration of the kidneys is uncommon and largely described in patients with lymphoma or leukemia. We report a 64-year-old man previously diagnosed with limited stage small cell lung cancer who presented with acute renal failure (ARF). Renal imaging showed bilateral enlargement with features suggestive of an infiltrative process. A kidney biopsy established the diagnosis of metastatic small cell lung cancer with diffuse renal parenchymal infiltration. This case emphasizes the rare potential for cancers to metastasize to the kidneys, which can result in ARF. Early recognition of this cause of ARF is crucial, in particular, when the tumor is amenable to chemotherapy or irradiation.     

Acute renal failure in a patient with hemophagocytic syndrome

Acute renal failure (ARF) occurred in a 47-year-old man with hemophagocytic syndrome. Histological findings of the kidney revealed diffuse infiltration of interstitium by phagocytosing cells mixed with atypical lymphoid cells of varying size. The cytological features of the lymphoid population in liver and spleen were consistent with a diagnosis of peripheral T-cell lymphoma. We believe that this ARF could have been exacerbated by the interstitial infiltration of phagocytosing cells, reactive lymphoid cells, and T-cell lymphoma cells. Received: September 25, 1998 / Accepted: July 22, 1999     

Acute renal failure secondary to small cell lung cancer with tumor infiltration of the kidneys

Acute renal failure secondary to tumor infiltration of the kidneys is uncommon and largely described in patients with lymphoma or leukemia. We report a 64-year-old man previously diagnosed with limited stage small cell lung cancer who presented with acute renal failure (ARF). Renal imaging showed bilateral enlargement with features suggestive of an infiltrative process. A kidney biopsy established the diagnosis of metastatic small cell lung cancer with diffuse renal parenchymal infiltration. This case emphasizes the rare potential for cancers to metastasize to the kidneys, which can result in ARF. Early recognition of this cause of ARF is crucial, in particular, when the tumor is amenable to chemotherapy or irradiation.     

Une étiologie exceptionnelle de l’insuffisance rénale aiguë : le lymphome de Burkitt

IntroductionBurkitt's lymphoma (BL) is an exceptional cause of acute renal failure (ARF). The origin of the tumor clone may be lymphoid follicles secondary to renal Epstein-Barr virus (EBV) infection. With the presentation of this clinical case, the pathogenesis, diagnostic criteria and evolution of this extremely rare affection will be discussed.ObservationA 4-year-old patient with a recent history of acute osteomyelitis of the right thigh presented an ARF without indications of post-infectious glomerulonephritis. Ultrasound showed enlarged kidneys without dilation of the excretory cavities. Diffuse interstitial infiltration of atypical lymphoid cells of medium size were noted upon renal biopsy. The tumor cells expressed antibodies against CD20, CD10, Bcl6, and Ki67 but not against Bcl2 or CD3. The search for an EBV infection was positive. A few days after diagnosis, the evolution was spontaneously fatal.Discussion/conclusionBL of the kidney is a rare condition that accounts for less than 1 % of kidney tumors, associated almost invariably with EBV infection. The diagnosis is confirmed histologically by renal biopsy and the criteria of Malbrain affirms the primitive character of the lymphoma. BL of the kidney is a diagnostic and therapeutic emergency and may be fatal.     

并发肾脏中等动脉受累的显微镜下型多血管炎的临床病理特点

目的：探讨并发肾脏中等动脉受累的显微镜下型多血管炎（MPA）的临床与病理特点。方法：对近两年在我院经肾脏病理确诊的MPA进行分析总结，并比较有无并发肾脏中等动脉受累病例的临床及病理特点。结果：32例MPA患者中7例并发中等动脉受累。25例无中等动脉受累者，均有新月体形成，其中新月体肾炎19例，局灶节段型坏死性肾小球肾炎9例；21例表现为急性囊肾功能衰竭（ARF），平均病程10周；治疗后8例完全缓解。7例并发中等动脉受累者，弓状动脉大分支节段性纤维素样坏死，肾小球缺血改变突出，但新月体病变轻，无1例新月体肾炎；6例表现为ARF，平均病程4周；治疗后5例完全缓解。两组比较，合并中等动脉受累者病程短（P＜0．05），发生ARF者达新月体肾炎者少（P＜0．01），经强化免疫抑制治疗后多可完全缓解（P＜0．05）。结论：MPA中约20％同时累及肾脏中等动脉，因中等动脉病变引起广泛肾缺血，故ARF起病急、进展快，及时治疗预后相对较好。     

Newly developed techniques to study and diagnose acute renal failure

Progress in treating human acute renal failure (ARF) is dependent on developing techniques that allow for the rapid diagnosis, quantification of injury, further understanding of the pathophysiology, and the effects of therapy. Therefore, four techniques that will facilitate this progress are described and illustrated by four different investigative teams. Techniques to measure rapid changes in GFR are available for rapid diagnosis and quantification of ARF in humans. State-of-the-art magnetic resonance imaging (MRI) presently allows for enhanced resolution of regional renal blood flow and functional evaluations in patients. Furthermore, new probes and techniques for MRI that allow for identification and quantitation of inflammation, applicable to human ARF, are being developed and tested in animal models. Finally, two-photon microscopy will allow for four-dimensional cellular and subcellular studies in animal models of ARF providing rapid insights into pathophysiology and the therapeutic effects of a variety of promising agents. Further development and utilization of these techniques, especially in concert with genetic, proteomic, and molecular approaches, will allow for needed insights into the pathophysiology and therapy in human ARF.     

Incidence and mortality of acute renal failure in Medicare beneficiaries, 1992 to 2001

This study's objective was to determine the incidence and mortality of acute renal failure (ARF) in Medicare beneficiaries. Data were from hospitalized Medicare beneficiaries (5,403,015 discharges) between 1992 and 2001 from the 5% sample of Medicare claims. For 1992 to 2001, the overall incidence rate of ARF was 23.8 cases per 1000 discharges, with rates increasing by approximately 11% per year. Older age, male gender, and black race were strongly associated (P < 0.0001) with ARF. The overall in-hospital death rate was 4.6% in discharges without ARF, 15.2% in discharges with ARF coded as the principal diagnosis, and 32.6% in discharges with ARF as a secondary diagnosis. In-hospital death rates were 32.9% in discharges with ARF that required renal dialysis and 27.5% in those with ARF that did not require dialysis. Death within 90 d after hospital admission was 13.1% in discharges without ARF, 34.5% in discharges with ARF coded as the principal diagnosis, and 48.6% in discharges with ARF as a secondary diagnosis. Discharges with ARF were more (P < 0.0001) likely to have intensive care and other acute organ dysfunction than those without ARF. For discharges both with and without ARF, rates for death within 90 d after hospital admission showed a declining trend. In conclusion, the incidence rate of ARF in Medicare beneficiaries has been increasing. Those of older age, male gender, and black race are more likely to have ARF. These data show ARF to be a major contributor to morbidity and mortality in hospitalized patients.     

肾原发性淋巴瘤二例报告并文献复习

目的探讨肾脏原发性恶性淋巴瘤的临床病理特点、影像学特征及诊治。方法总结2例肾脏原发性淋巴瘤患者的临床病理、影像学特点、诊断、鉴别诊断及治疗预后资料,并结合文献复习讨论。结果2例患者均为中老年人,发病后均有腰部隐痛或钝痛;影像学检查均显示肾脏占位性病变;病理诊断均为肾脏原发性恶性淋巴瘤,其中1例为霍奇金淋巴瘤（以结节硬化型为主）,1例为非霍奇金淋巴瘤（B细胞性）。1例行手术加化疗,1例单纯化疗;患者预后佳,目前分别存活1年和5年8个月。结论肾脏原发性恶性淋巴瘤十分罕见,尤其是霍奇金淋巴瘤;确诊需病理组织学检查,治疗主要是单纯化疗或根治性肾切除加化疗。     

Acute renal failure prior to the onset of hepatic encephalopathy in fulminant hepatitis

Summary: We investigated the clinical characteristics of eight patients with fulminant hepatitis who developed acute renal failure (ARF). They were divided into two groups according to the time point when ARF occurred in the course of the disease: (i) group 1 ( n =4), ARF occurred prior to the onset of hepatic encephalopathy; and (ii) group 2 ( n =4), ARF occurred after the onset of hepatic encephalopathy. All cases in group 1 had an acute type of fulminant hepatitis, whereas a subacute type was present in the patients in group 2. All cases in group 1 and two cases in group 2 were given non-steroidal antiinflammatory drugs before the onset of ARF. Urinary findings and/or renal biopsy findings suggested that acute tubular necrosis was the cause of ARF in group 1. Three patients in group 1 and none in group 2 recovered from both ARF and fulminant hepatitis. Although it is well-known that a patient with fulminant hepatic failure complicated by ARF has a poor prognosis, our findings suggest that ARF that occurs prior to the onset of hepatic encephalopathy in acute type of viral fulminant hepatitis is not a determinant of the poor prognosis, and that the prognosis will be improved by intensive care.     

Diagnosis of renal lymphoma by percutaneous image guided biopsy: experience with 11 cases

PURPOSE: We reviewed an institutional experience with image guided percutaneous biopsy of focal renal masses that yielded a diagnosis of lymphoma. MATERIALS AND METHODS: We retrospectively reviewed the hospital records of patients undergoing percutaneous renal biopsy between September 1997 and February 2005. RESULTS: A total of 407 image guided focal renal lesion biopsies were identified. A diagnosis of lymphoma was made in 11 patients (3%). Biopsies were performed under computerized tomography guidance in 9 cases (82%) and under ultrasound guidance in 2 (18%). Core biopsies were performed in 11 cases, while fine needle aspiration was done in 10 (91%). Fine needle aspirations underwent cytological analysis in 10 cases and flow cytometry analysis in 9. The final combined pathological diagnoses were B-cell lymphoma in 10 cases and lymphomatoid granulomatosis in 1. Analysis of core biopsies yielded a diagnosis of B-cell lymphoma in 10 cases (91%) and lymphomatoid granulomatosis in 1. Analysis of fine needle aspirations yielded a diagnosis of B-cell lymphoma in 3 cases (30%), lymphoma in 4 (40%), suspicion of lymphoma in 1 (10%), atypical cells in 1 (10%) and a nondiagnostic sample in 1 (10%). Flow cytometry concurred with cytology in the diagnosis of B-cell lymphoma in 2 cases, allowed the identification of lymphoma subtype, which was not made on cytology, in 4, was insufficient in 2 and identified no abnormality in 1. No patients underwent surgery or an ablative procedure. CONCLUSIONS: Core biopsy has a higher diagnostic yield than fine needle aspiration for diagnosing renal lymphoma. Flow cytometry analysis adds additional diagnostic information to cytological examination of fine needle aspiration samples. Accurate diagnosis of lymphoma in these cases allowed proper treatment without unnecessary surgery or other procedures.     

Acute renal failure in the surgical setting

Acute renal failure (ARF) is an unwelcome complication of major surgical procedures that contributes to surgical morbidity and mortality. Acute renal failure associated with surgery may account for 18-47% of all cases of hospital-acquired ARF. The overall incidence of ARF in surgical patients has been estimated at 1.2%, although is higher in at-risk groups. Mortality of patients with ARF remains disturbingly high, ranging from 25% to 90%, despite advances in dialysis and intensive care support. Appreciation of at-risk surgical populations coupled with intensive perioperative care has the capacity to reduce the incidence of ARF and by implication mortality. Developments in understanding the pathophysiology of ARF may eventually result in newer therapeutic strategies to either prevent or accelerate recovery from ARF. At present the best form of treatment is prevention. In this review the epidemiology, pathophysiology, diagnosis, treatment and possible prevention of ARF will be discussed.     

妊娠期急性胰腺炎并发肾功能损害的诊治体会

目的 探讨妊娠期急性胰腺灸并发肾功能损害的临床特点及诊治方法.方法 回顾性分析我院2002年1月～2010年4月收治的妊娠期急性胰腺炎患者并发肾功能损害的患者13例的临床资料.结果 7例轻型患者中6例治愈,1例进展成为重症后并发急性肾衰竭死亡;6例重症患者中4例并发急性肾衰竭,经连续性静脉-静脉血液滤过(CVVH)治疗...     

肾脏原发性淋巴瘤一例报告并文献复习

目的 提高肾脏原发性淋巴瘤的诊治水平.方法 回顾性分析1例肾脏原发性淋巴瘤患者的临床病理资料,结合文献复习讨论.患者,女,61岁.因左侧腰痛2周入院.查体:左上腹压痛,左肾区叩击痛.B超检查见左肾正常结构未显示,集合系统分离,最宽处约1.0 cm,左肾区可探及一巨大低回声肿物,大小9.7cm×5.3cm,边界模糊.CT检查见左肾中下极肿物,大小9.8 cm×8.9 cm ×8.8 cm,边界不清,平扫CT值为39 HU,增强后为61 HU,强化不明显.术前诊断:左肾恶性肿瘤.结果 患者行根治性左肾切除术.病理报告:左肾大部分被肿瘤组织占据,中下极见10.0cm×9.5 cm ×8.5 cm类圆形肿物,质硬,肿物切面呈灰白色,质地细腻.镜下瘤细胞呈弥漫性浸润,卵圆形或多边形,略大于正常淋巴细胞,核大深染呈不规则形.病理诊断:肾弥漫性大B细胞性淋巴瘤.骨髓穿刺检查未见异常.行环磷酰胺+吡喃阿霉素+长春新碱+泼尼松+利妥昔单抗方案化疗6周期.术后每3个月复查胸部X线片、腹部B超及CT等.随访20个月,未见肿瘤复发.结论 肾脏原发性淋巴瘤临床罕见,症状与肾癌相似,影像学检查无特征性改变,确诊需依靠病理学检查.本病预后不良,手术切除患肾联合规范的全身化疗,可延长患者的生存期.     

Renal failure in the ICU: comparison of the impact of acute renal failure and end-stage renal disease on ICU outcomes

BACKGROUND: Acute renal failure (ARF) is associated with a persistent high mortality in critically ill patients in intensive care units (ICUs). Most studies to date have focused on patients with established, intrinsic ARF or relatively severe ARF due to multiple factors. None have examined outcomes of dialysis-dependent chronic renal failure [end-stage renal disease (ESRD)] patients in the ICU. We examined the incidence and outcomes of ARF in the ICU using a standard definition and compared these to outcomes of ICU patients with either ESRD or no renal failure. We sought to determine the impact of renal dysfunction and/or loss of organ function on outcome. METHODS: We prospectively scored 1530 admissions to eight ICUs over a 10-month period for illness severity at ICU admission using the Acute Physiological and Chronic Health Evaluation (APACHE III) evaluation tool. Patients were defined as having ARF based on the definition of Hou et al (Am J Med 74:243-248,1983) designed to detect significant measurable declines in renal function based on serum creatinine. ESRD patients were identified as being chronically dialysis-dependent prior to ICU admission and the remainder had no renal failure. Clinical characteristics at ICU admission and ICU and hospital outcomes were compared between the three groups. RESULTS: We identified 254 cases of ARF, 57 cases of ESRD and 1219 cases of no renal failure for an incidence of ARF of 17%. Roughly half the ARF patients had ARF at ICU admission and the remainder developed ARF during their ICU stay. Only 11% of ARF patients required dialysis support. ARF patients had significantly higher acute illness severity scores than those with no renal failure, whereas patients with ESRD had intermediate severity scores. ICU mortality was 23% for patients with ARF, 11% for those with ESRD, and 5% for those with no renal failure. There was no difference in outcome between patients who had ARF at ICU admission and those who developed ARF in the ICU. Patients with ARF severe enough to require dialysis had a mortality of 57%. APACHE III predicted outcome very well in patients with no renal failure and patients with ARF at the time of scoring but underpredicted mortality in those who developed ARF after ICU admission and overestimated mortality in patients with ESRD. CONCLUSIONS: ARF is common in ICU patients and has a persistent negative impact on outcomes, although the majority of ARF is not severe enough to require dialysis support. The mortality of patients with ARF from all causes is almost exactly similar to that noted using the same criteria two decades ago. More profound ARF requiring dialysis continues to have an even greater mortality. Nevertheless, acute declines in renal function are associated with a mortality that is not well explained simply by loss of organ function. The majority of ARF patients who did not require dialysis still had a considerably higher mortality than the ESRD patients, all of whom required dialysis; while ARF patients who did require dialysis had a much higher morality than ESRD patients. APACHE III performs well and captures the mortality of patients with ARF at the time of scoring. Development of ARF after scoring has a profound effect on standardized mortality. We were unable to identify a unique mortality associated with ARF, but the presence of measurable renal insufficiency continues to be a sensitive marker for poor outcome.     

Primary renal lymphoma presenting as acute renal failure

Diffuse bilateral infiltration of the kidneys by lymphoma cells is a rare but well-documented cause of acute renal failure (ARF). Only 51 such cases have been reported, 15 of which had ARF as the initial presentation of lymphoma. The clinical and pathologic features of these 15 cases and of two additional cases reported herein are reviewed. The diagnosis should be suspected in a patient with ARF, bilateral enlargement of the kidneys, minimal proteinuria, nonspecific findings on urinalysis, and absence of features of allergic tubulointerstitial nephritis. Renal imaging techniques may suggest the possibility of lymphomatous infiltration, but only renal biopsy or autopsy can provide a definitive diagnosis. Although modern chemotherapy and/or radiation therapy usually leads to a dramatic normalization of renal function, almost all patients eventually die of widespread recurrent lymphoma, despite the absence of clinical or pathologic involvement of the kidneys at the time of death.