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Actinomycosis remains a rare and often underdiagnosed cause of appendicitis with only 10% of cases diagnosed prior to surgery. It is an important cause to consider particularly in the setting of an indolent infection with nonspecific symptoms. We present a 22 years old male who presented with 3 weeks history of lower abdominal pain who underwent laboratory investigations and imaging studies suggestive of acute appendicitis. He underwent an emergency laparoscopic caecectomy with histopathology of the specimen suggestive of actinomycosis. He recovered well postoperatively and was discharged home with a prolonged course of oral penicillins. Preoperative diagnosis of actinomycosis is uncommon and accounts for ~10% of cases. Definitive diagnosis is usually through histopathology or tissue/fluid culture. Treatment usually involves a combination of surgical resection and antibiotic therapy with a success rate of >90%. [ABSTRACT FROM AUTHOR]

Metastatic melanoma is a significant public health issue in Australia and New Zealand. Although melanoma commonly metastasises to the liver, isolated hepatic metastases are rare, with isolated metastasis to portohepatic lymph nodes being scarce. As such, the optimal management strategy for this subset of patients remains unclear. Here, we present a case of a patient with isolated portohepatic metastases management with a combination neoadjuvant immunotherapy and surgical resection. [ABSTRACT FROM AUTHOR]