LPLC causes less abnormality in liver function tests in the postoperative period compared with HPLC. LPLC should be considered in all patients undergoing laparoscopic cholecystectomy, especially those patients with compromised liver functions.
Gemcitabine is a pyrimidine analog with a similar chemical structure and mechanism of action, as cytarabine. It has been shown to be a highly active agent for non-small cell lung cancer, pancreatic cancer, urothelial cancer, breast cancer and ovarian cancer. Gemcitabine is relatively well tolerated and myelosuppression is the dose-limiting toxicity. Pulmonary toxicity with gemcitabine is relatively uncommon, but a well recognized entity, associated with significant morbidity and mortality. A high index of suspicion, early diagnosis and timely intervention with oxygen supplementation, steroids, and diuretics is necessary to manage patients with this complication.
Of around half a million women dying of breast cancer each year, more than 90% die due to metastasis. Models necessary to understand the metastatic process, particularly breast cancer cell extravasation and colonization, are currently limited and urgently needed to develop therapeutic interventions necessary to prevent breast cancer metastasis. Microfluidic approaches aim to reconstitute functional units of organs that cannot be modeled easily in traditional cell culture or animal studies by reproducing vascular networks and parenchyma on a chip in a three-dimensional, physiologically relevant in vitro system. In recent years, microfluidics models utilizing innovative biomaterials and micro-engineering technologies have shown great potential in our effort of mechanistic understanding of the breast cancer metastasis cascade by providing 3D constructs that can mimic in vivo cellular microenvironment and the ability to visualize and monitor cellular interactions in real-time. In this review, we will provide readers with a detailed discussion on the application of the most up-to-date, state-of-the-art microfluidics-based breast cancer models, with a special focus on their application in the engineering approaches to recapitulate the metastasis process, including invasion, intravasation, extravasation, breast cancer metastasis organotropism, and metastasis niche formation.
Liver metastases in PNETs are considered an adverse factor. Aggressive surgical management is a mainstay. The laparoscopic approach to pancreatic or hepatic surgery is difficult in inexperienced hands with steep learning curve. The recent robotic system seems to overcome many limitations. This is the first case of robotic multivisceral resection for synchronous liver metastasis from PNET. Concurrent primary tumor resection with hepatectomy offers potential curative intention.
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