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Fulltext Gastric duplication cyst with a red flag presentation: a case report

Alagoo D, Sellappan H, Jayasilan J, Azizan N, Hayati F

Pan Afr Med J, 2021;39:141.
PMID: 34527157 DOI: 10.11604/pamj.2021.39.141.29895

Gastric duplication cyst (GDC) is a rare congenital malformation of the gastrointestinal (GI) tract. Despite being benign in the entity, its complications vary from an asymptomatic abdominal mass to fulminant or massive GI bleeding. A 28-year-old lady presented with unexplained GI haemorrhage, in which the upper endoscopy showed a classic feature of GI stromal tumour. The preoperative diagnosis was also confirmed by the computed tomography. She subsequently underwent surgical resection and the final histopathology was consistent with a benign entity of GDC.
Malignant Subcutaneous Perivascular Epithelioid Cell Tumor of Anterior Abdominal Wall

Gan DEY, Choy RXY, Sellappan H, Hayati F, Azizan N

Oman Med J, 2021 Mar;36(2):e239.
PMID: 33768970 DOI: 10.5001/omj.2021.21

Perivascular epithelioid cell tumors (PEComas) are a family of rare mesenchymal tumors with discrete histological and immunohistochemical characteristics. Even rarer among them are cutaneous and subcutaneous PEComas. We describe a 34-year-old woman who presented with a large anterior abdominal subcutaneous lesion showing intact overlying skin and no obvious invasion of the abdominal musculature. A wide local excision was performed. Histopathology revealed a solitary tumor measuring 75 × 55 × 90 mm with epithelioid cells in nests with thin fibrovascular septa and spindle cells. Resection margins were clear with no invasion to the skin or rectus sheath. Tumor cells were positive for HMB-45 but negative for other markers. This is the largest subcutaneous PEComa reported to date.
Fulltext Choledochal cyst and aberrant biliary configuration along with situs inversus totalis: a case report

Gan DEY, Alagoo D, Chan KH, Choi RXY, Sellappan H, Sharif MS, et al.

Pan Afr Med J, 2021;38:398.
PMID: 34381542 DOI: 10.11604/pamj.2021.38.398.29228

Situs inversus totalis is the complete transpositioning of thoracoabdominal viscera into a mirror image of the normal configuration. Choledochal cyst is the congenital cystic dilation of the biliary tract. Both these conditions coexisting in a patient is extremely rare. We hereby present a case of type IC choledochal cyst in a patient with situs inversus totalis presenting with biliary sepsis secondary to choledocholithiasis. Also detailed are the management and operative strategies employed to deal with this rare entity.
Fulltext Effect of peritoneal and wound lavage with super-oxidized solution on surgical-site infection after open appendicectomy in perforated appendicitis (PLaSSo): randomized clinical trial

Sellappan H, Alagoo D, Loo C, Vijian K, Sibin R, Chuah JA

BJS Open, 2024 Sep 03;8(5).
PMID: 39413050 DOI: 10.1093/bjsopen/zrae121

BACKGROUND: Surgical-site infection following open appendicectomy for perforated appendicitis increases length of hospital stay and treatment costs while compromising patients' quality of life. Data from randomized clinical trials (RCTs) evaluating the role of super-oxidized solution in perforated appendicitis are lacking. The study objective was to determine the effect of peritoneal and wound lavage with super-oxidized solution in reducing risk of surgical-site infection following open appendicectomy for perforated appendicitis.
METHODS: In this multicentre RCT conducted between September 2020 and March 2022, patients aged 13 years and older with perforated appendicitis undergoing open appendicectomy were randomly assigned to receive peritoneal and wound lavage with either super-oxidized solution or normal saline. The primary outcome was surgical-site infection within 30 days after surgery. Randomization was computer-generated, with allocation concealment by opaque, sequentially numbered, sealed envelope. The patients, surgeons, outcome assessors and statisticians performing the analysis were blinded to treatment assigned.
RESULTS: A total of 102 consecutive patients (51 in the super-oxidized solution group and 51 in the normal saline group) were randomized and included in the intention-to-treat analysis. The super-oxidized solution group showed a significant reduction in overall surgical-site infection (8 (15.6%) versus 19 (37.2%); relative risk (RR) 0.42; 95% c.i. 0.20 to 0.87; P = 0.014), and superficial surgical-site infection (5 (9.8%) versus 18 (35.3%); RR 0.28; 95% c.i. 0.11 to 0.69; P = 0.002), with a number-needed-to-treat of four patients. There were no adverse events in either group.
CONCLUSIONS: Peritoneal and wound lavage with super-oxidized solution is superior to normal saline in preventing surgical-site infection after open appendicectomy for perforated appendicitis.
TRIAL REGISTRATION: ClinicalTrial.gov Identifier: NCT04512196.
The ChoCO-W prospective observational global study: Does COVID-19 increase gangrenous cholecystitis?

De Simone B, Abu-Zidan FM, Chouillard E, Di Saverio S, Sartelli M, Podda M, et al.

World J Emerg Surg, 2022 Dec 16;17(1):61.
PMID: 36527038 DOI: 10.1186/s13017-022-00466-4

BACKGROUND: The incidence of the highly morbid and potentially lethal gangrenous cholecystitis was reportedly increased during the COVID-19 pandemic. The aim of the ChoCO-W study was to compare the clinical findings and outcomes of acute cholecystitis in patients who had COVID-19 disease with those who did not.
METHODS: Data were prospectively collected over 6 months (October 1, 2020, to April 30, 2021) with 1-month follow-up. In October 2020, Delta variant of SARS CoV-2 was isolated for the first time. Demographic and clinical data were analyzed and reported according to the STROBE guidelines. Baseline characteristics and clinical outcomes of patients who had COVID-19 were compared with those who did not.
RESULTS: A total of 2893 patients, from 42 countries, 218 centers, involved, with a median age of 61.3 (SD: 17.39) years were prospectively enrolled in this study; 1481 (51%) patients were males. One hundred and eighty (6.9%) patients were COVID-19 positive, while 2412 (93.1%) were negative. Concomitant preexisting diseases including cardiovascular diseases (p