Epithelial-to-mesenchymal transition (EMT) is defined as the transformation of an epithelial cell into a spindle cell with the loss of membrane E-cadherin expression and the gain of mesenchymal markers positivity. In the field of colorectal cancer (CRC), first data about EMT was published in 1995 and more than 400 papers had been written up to March 2016. Most of them are focused on the molecular pathways and experimentally-proved chemoresistance. In the present article, an update in the field of EMT in CRC based on the review of the literature and personal experience of the authors is presented. The information about the molecular and immunohistochemical (IHC) particularities of these processes and their possible role in the prognosis of CRC were also up-dated. This article focuses on the IHC quantification of the EMT, the immunoprofile of tumor buds and on the relation between EMT, angiogenesis, and stem cells activation. The EMT-induced chemoresistance vs chemotherapy- or radiotherapy-induced EMT and cellular senescence was also synthesized for both conventional and targeted therapy. As a future perspective, the EMT-angiogenesis-stemness link could be used as a possible valuable parameter for clinical follow-up and targeted therapeutic oncologic management of patients with CRC. Association of dexamethasone and angiotensin converting enzyme inhibitors combined with conventional chemotherapies could have clinical benefits in patients with CRC. The main conclusion is that, although many studies have been published, the EMT features are still incompletely elucidated and newly discovered EMT markers provide confusing data in understanding this complicated process, which might have significant clinical impact.
Myelolipomas represent 3-7% fromthe primary tumors of the adrenal gland. Most often they are incidental findings. In most cases are asymptomatic, rarely they present symptoms (pain, abdominal discomfort, hematuria or signs of internal hemorrhage). Histologically benign, this variety of tumor requires only local excision, in symptomatic forms. Their dimensions are generally up to 4-5 cm, so the laparoscopic approach seems the most appropriate. We present the case of a 65 years old patient, electively operated for a right adrenal tumor formation.Alaparoscopic right adrenalectomy was performed using an anterior transabdominal approach. No ligatures, clips or sutures were used. The intervention was accomplished with the Ligasure Maryland forceps and the Force Triad platform (Covidien Medtronic-USA). The postoperative evolution was favorable and the pathological examination highlighted an adrenal myelolipoma with intratumoral hemorrhage.
1 March 2018 in Journal of International Medical Research
Objective: This study was performed to evaluate the 1-year survival rate and functional outcomes of 20 patients who underwent intersphincteric resection (ISR) for low rectal cancer. Methods: Twenty patients who underwent ISR for low rectal cancer were followed up for 1 year. Complications, functional outcomes objectified by the Wexner score, and oncological outcomes were assessed. Results: The short-term survival rate was 100%. The median Wexner score was ≤10 in all patients at 12 months after surgery. Signs of local recurrence were absent, and antigen levels remained within the reference ranges 1 year postoperatively. Conclusions: ISR is a feasible alternative in highly selected patients who primarily refuse a colostomy bag and present with type II or III tumors. In the present study, patient-reported continence was satisfactory, and the absence of a colostomy bag increased patients’ quality of life. The oncological outcomes were satisfactory at 1 year postoperatively.