acute pancreatitis as initial presentation of cocaine
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JOP. J Pancreas (Online) 2015 Mar 20; 16(2):192-194. CASE REPORT Acute Pancreatitis as Initial Presentation of Cocaine-Induced Vasculitis: A Case Report Ayorinde Ogunbameru, Timothy J Woodlock, Wajid M Choudhry, Mohammed Jandali, Amer Issa,

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  1. JOP. J Pancreas (Online) 2015 Mar 20; 16(2):192-194. CASE REPORT Acute Pancreatitis as Initial Presentation of Cocaine-Induced Vasculitis: A Case Report Ayorinde Ogunbameru, Timothy J Woodlock, Wajid M Choudhry, Mohammed Jandali, Amer Issa, Waleed Quwatli Department of Internal Medicine, Unity Health System, Rochester, New York, USA ABSTRACT Context Levamisole-contaminated cocaine is an increasingly reported cause of vasculitis and immunologic abnormalities in cocaine abus- ers. The systemic effects of vasculitis are commonly seen in the dermatologic, hematologic and renal systems but rarely the gastrointestinal system. Case report We present an atypical case of cocaine-induced vasculitis presenting initially as an acute pancreatitis and then rapidly progressing to involve multi-organ systems over the next couple of weeks. Conclusion Internists should recognize that acute pancreatitis can present as an atypical and rare initial systemic manifestation of cocaine-induced vasculitis. INTRODUCTION minute, oxygen saturation was 98% on room air. Clinical examination showed mild epigastric tenderness, Acute pancreatitis as an initial presentation of Wegener’s otherwise unremarkable. His chest CT scan was negative granulomatosis has been cited in only a few case reports. for pulmonary embolism but showed some stranding at Since this presentation is rare, the diagnostic process is the tail of the pancreas suspicious for acute pancreatitis difficult and sometimes may lead to fatal outcomes [1]. (Figure 1). Routine laboratory tests showed white blood Levamisole-contaminated cocaine is an increasingly cell count of 14.4/µL, elevated lipase(754U/L), creatinine reported cause of vasculitis and approximately 70% of (0.79 mg/dL), ESR(1mm/h), C-reactive protein (0.08 cocaine in the United States is said to be contaminated mg/dL), alanine aminotransferase (23 U/L), aspartate with levamisole [2]. aminotransferase(71 U/L), alkaline phosphatase(139 Levamisole contaminated cocaine has been known to U/L), y-glutamyl transferase (209 U/L) reference range cause agranulocytosis, leukoencephalopathy, or cutaneous 1-54 U/L. Patient was kept nil per oral, intravenous vasculitis. Cocaine toxicity has also been associated with normal saline and pain medications were commenced. intestinal ulcers, ischemic colitis and infarction but Patient admitted to drinking some whiskey daily. A right pancreatitis from direct cocaine toxicity is extremely rare. upper quadrant ultrasound did not show any evidence of We report such a case. gallstones but revealed a fatty liver. His lipid panel and triglycerides were normal. A urine toxicology screen was CASE REPORT positive for cocaine and marijuana. His ethanol blood level A twenty-two- year old male with no past medical history, was normal. presented with mid abdominal pain radiating to the On day 2-3 of admission, patient was noticed to have chest with shortness of breath. Patient was sent to the elevated creatinine (3.71 mg/dL) with an initial normal emergency room for a chest computed tomography (CT) baseline creatinine and thrombocytopenia (59/µL). scan after a routine laboratory test at an urgent care center Subcutaneous heparin used for deep vein thrombosis showed elevated D-dimer levels. Patient denied any fever, prophylaxis was stopped due to suspected heparin chills, recent travel or prior history of thromboembolic induced thrombocytopenia and a platelet factor-4 disease. Patient was adopted and does not know his antibody test was requested. The patient subsequently family history. His blood pressure was 139/74 mmHg, became oliguric with a urine output of (200 mL in 24 h) heart rate 67 beats/minute; respiratory rate 18 cycles/ despite adequate fluid hydration (8 L/12 h). A renal ultrasound done did not show any hydronephrosis Received November 20th, 2014 – Accepted January 30th, 2015 or stones. Attending physicians in the departments of Keywords Pancreatitis, Acute Necrotizing; Pulmonary Embolism gastroenterology, nephrology and hematology were Correspondence Ayorinde Ogunbameru consulted for better subspecialty care and my patient Department of Internal Medicine was closely monitored at the intermediate care-unit. A Unity Health System follow up magnetic resonance cholangiopancreatography Rochester, New York, USA (MRCP) was done which showed heterogeneous pancreas Phone 585 723-7769 suggesting inflammation (Figure 2); otherwise his Fax 585 723-7769 E-mail aoogunb@gmail.com biliary anatomy was normal. My patient was thought JOP. Journal of the Pancreas - http://www.serena.unina.it/index.php/jop - Vol. 16 No. 2 – Mar 2015. [ISSN 1590-8577] 192

  2. JOP. J Pancreas (Online) 2015 Mar 20; 16(2):192-194. to have an atypical form of pancreatitis since his clinical condition was fairly stable but his laboratory indices were worsening. An immunoglobulin g4 test was done to rule out auto-immune pancreatitis which came back negative. Other differential diagnoses entertained were hemolytic uremic syndrome/thrombotic thrombocytopenic purpura (HUS/TTP) or disseminated intravascular coagulopathy (DIC) but the definite diagnosis was still inconclusive. The patient’s lab tests showed thrombocytopenia, anemia, negative platelet factor-4, elevated direct bilirubin, low haptoglobin, high lactate dehydrogenase, elevated D-dimer and positive fibrin degradation products. Schistocytes were seen on blood microscopy. An ADAMS-13 level was negative which ruled out TTP. Patient eventually became Figure 1. Abdominal view of CTA of the chest showing stranding adjacent anuric and developed azotemia. A diagnosis of acute renal to the body and tail of the pancreas with associated fluid suggestive of failure with a likely vasculitic process was made. Urinalysis acute pancreatitis. showed muddy brown casts, proteinuria and white blood cells. Fractional excretion of sodium was 3.57. Work up for glomerulonephritis which included tests for human immunodeficiency virus (HIV), hepatitis, anti-neutrophil cytoplasmic antibody (ANCA) ,anti-nuclear antibody (ANA) ,anti-glomerular basement membrane antibody, anti- cardiolipin antibody ,scleroderma antibody ,complement C3/C4 were all negative. Hemodialysis was subsequently initiated and a kidney biopsy was eventually done which revealed pauci-immune necrotizing glomerulonephritis with features of glomerular thrombotic microangiopathy consistent with the patient’s ingestion of levamisole (Figures 3, 4). Patient was commenced on high dose intravenous solumedrol and rituximab. He was transfused with nine units of packed red blood cells and he also had Figure 2. MRCP showing findings of thickened, heterogeneous appearance nine sessions of plasmapheresis. Patient’s renal function to the pancreas with adjacent fluid at the tail and body suggestive of acute and hematological indices improved over two months pancreatitis. of treatment and he was discharged in stable clinical condition with no abdominal pain. DISCUSSION My patient had an ANCA negative pauci-immune necrotizing glomerulonephritis (thought to be induced by levamisole contaminated cocaine). Initially presented as an acute pancreatitis; this is atypical and rare making the diagnostic process challenging. Pauci-immune necrotizing glomerulonephritis is the most frequent cause of rapidly progressive glomerulonephritis and in 60% of cases. It is associated with positive anti-neutrophil cytoplasmic Figure 3. Segmental glomerular necrsosis necrosis antibodies (ANCA). It is either the renal manifestation of Wegener’s granulomatosis, microscopic polyangiitis, Churg-Strauss syndrome, or a renal-limited vasculitis. Immune conditions like systemic lupus erythematosus, polyarteritis nodosa and Wegener’s granulomatosis have been reported to rarely cause pancreatitis although few case reports cite Wegener’s granulomatosis affecting the gastrointestinal system with an initial presentation of pancreatitis which may be rapidly progressive and fatal [3]. Although my patient consumed alcohol which may be etiologically tied to pancreatitis, his clinical presentation was very atypical and as his vasculitic picture became clearer, we had to go searching for another etiology of his Figure 4. Severe acute tubular necrosis. Note segmental glomerular pancreatitis. necrosis (arrow). H&E JOP. Journal of the Pancreas - http://www.serena.unina.it/index.php/jop - Vol. 16 No. 2 – Mar 2015. [ISSN 1590-8577] 193

  3. JOP. J Pancreas (Online) 2015 Mar 20; 16(2):192-194. CONCLUSION References First, internists should recognize that acute pancreatitis 1. Abu-Hilal M, Abu-Hilal M, McPhail MJ, Zeidan B, Bryant T, Bateman A, et can present as an atypical and rare initial systemic al., Acute Pancreatitis as First Presentation of Wegener’s Granulomatosis. manifestation of cocaine-induced vasculitis. Second, Case Report, JOP. J Pancreas 2008; 9(3): 300-304. [PMID: 18469442] vasculitic disease of the pancreas, even though rare, should be considered when other causes of pancreatitis have been 2. US Department of Justice, National Drug Intelligence Center excluded as some cases have been reportedly fatal. National Drug Threat Assessment 2010: Impact of Drugs on Society: US Department of Justice, National Drug Intelligence Center Web site.http:// www.justice.gov/ndic/pubs38/38661/drugImpact.htm. Conflict of Interest 3. Chawla S, Atten MJ, Attar BM. Acute Pancreatitis as a rare initial Authors declare to have no conflict of interest. manifestation of Wegener’s Granulomatosis. A case based literature review, JOP. J Pancreas 2011; 12(2): 167-169. [PMID: 21386646] JOP. Journal of the Pancreas - http://www.serena.unina.it/index.php/jop - Vol. 16 No. 2 – Mar 2015. [ISSN 1590-8577] 194

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