Pancreatic Neuroendocrine Tumors: Spectrum of Clinical Presentation from a Tertiary Referral Center in Pakistan

Background: Pancreatic neuroendocrine tumors (P-NETs) constitute a subset of pancreatic mass lesions characterized by diverse clinical presentations. Despite their inherent malignant potential, the timely identification and treatment of these tumors are critical for achieving favorable clinical outcomes. This study aims to shed light on the heterogeneous tumor biology of P-NETs and the management strategies employed at a tertiary care center in Pakistan.Method: A retrospective study encompassing all patients with a biopsy-confirmed diagnosis of P-NETs at Shifa International Hospital between January 1st, 2016, and June 30th, 2021, was conducted. Meticulous data extraction from pathology records and thorough searches of medical records were performed to gather relevant demographic and clinical information.Results: A total of 24 patients were retrieved from our database, with 13 (54%) female patients. The mean age was 49.5 ± 16.3 years. Eight out of the 24 patients presented with abdominal pain. Most patients (14 out of 24) had lesions in the pancreatic head region. In three cases, lesions exhibited multicentricity. The mean lesion size measured 4.4 ± 2.3 cm. Three of the 24 patients displayed distant liver metastasis at the presentation time. 19 out of the 24 patients underwent surgical resections, while endoscopic ultrasound (EUS)-guided biopsy was performed in 4 out of 24 cases. EUS-guided tissue biopsy yielded accurate diagnoses in all four cases.Conclusion: Most P-NETs are non-functional, and there is an almost equal distribution between male and female patients. Solitary lesions predominate, and metastasis is uncommon at initial presentation. EUS-guided fine needle biopsy stands out as a dependable diagnostic modality for P-NETs

Hepatitis E Virus Antibodies in Patients with Chronic Liver Disease

In the United States, the seroprevalence rate for hepatitis E virus (HEV) is ≈20%. This study examined HEV seroprevalence in persons with and without chronic liver disease. Our data indicate that HEV seropositivity is high in patients with chronic liver disease and that HEV seroprevalence increases significantly with age

Percutaneous Endoscopic Management for Oriental Cholangiohepatitis: A Case Report and a Brief Review of the Literature

Oriental cholangiohepatitis (OCH) is a disease characterized by intrabiliary pigment stone formation, resulting in recurrent bouts of cholangitis. OCH is found mostly in Southeast Asia but it is occasionally recognized in Western societies. OCH etiology is largely unknown. We report our experience with a patient who presented with acute cholecystitis. Following laparoscopic cholecystectomy, she developed acute cholangitis due to multiple biliary tree stones. She underwent ERCP to clear the stones from common bile duct. For the intrahepatic stones, she underwent novel hybrid percutaneous endoscopic technique. The procedure resulted in complete clearance of biliary tree stones and resolution of her symptoms. The aim of this case is to increase awareness of this disease when patients from endemic areas present with biliary stones

An analysis of surgical shunts for the management of portal hypertension at Aga Khan University Hospital

Background: The objective of our study was to analyze the outcome of surgical shunts for the management of variceal bleeding associated with portal hypertension.Methods: This was a retrospective analysis carried out at The Aga Khan University Hospital, Karachi of medical records from Jan 1991--Dec 2001. The main outcome measures included morbidity and mortality associated with the surgical procedure, and the long term outcome in terms of recurrent bleeding.Results: A total of 30 patients underwent a shunt procedure during the study period. The mean age was 35+/-13.75 years, with 22 (73%) males and 8 (27%) females. The indication for surgery was recurrent bleeding in 23 (77%) patients, and active bleeding refractory to endoscopic therapy in 7 (23%) patients. According to Child-Pugh classification, 19 (63%) patients were classified as Childs\u27 A, 7 (23%) as Childs\u27 B, and 4 (13%) as Childs\u27 C. The surgical procedure included distal splenorenal shunt in 25 (83%), central splenorenal shunt in 3 (10%), and portocaval shunt in 2 (7%) cases. Five patients expired within 30 days of surgical intervention with mortality rate of 16%. Three of these patients were Childs\u27 C, as compared to one each in Childs\u27 A and B, the difference being statistically significant. Similarly, the frequency of encephalopathy and recurrent bleeding was also significantly higher in patients with Childs\u27 class C.CONCLUSIONS: Surgical shunts may be considered as a reasonable alternative for long term control of recurrent variceal bleeding in patients with good hepatic reserve

Verrucous Carcinoma of the Esophagus: A Potential Diagnostic Dilemma

Verrucous carcinoma of the esophagus is a rare variant of squamous cell carcinoma associated with human papillomavirus. We report the case of a 58-year-old female who presented with ongoing symptoms of dysphagia. On previous endoscopies she had been noted to have a large polyp-like mass involving the esophagus, with negative biopsies for malignancy. Repeat endoscopy with concurrent endoscopic ultrasound showed a large semi-pedunculated polyp in the distal esophagus and a hypoechoic, irregular mass involving the gastroesophageal junction with esophageal thickening. Deep layer biopsies showed pseudoepitheliomatous hyperplasia with immunohistochemical staining positive for human papillomavirus. The patient was subsequently treated with chemo-radiation followed by esophagectomy