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Introduction: Postoperative complications are common; some are transient, others may be serious, but they are all important to patients. One of the most important gaps in surgical research is the lack of consensus over the preferred result, the type of measurement or of evaluation., Methods: We conducted a retrospective study of postoperative complications at the Surgery Department of the National Hospital Center of Nouakchott. Eight hundred thirty-four patients underwent surgery over a seven-month period (1 January 2017-31 July 2017). The demographic and clinical parameters were studied and analyzed statistically using SPSS software 20., Results: The study involved 834 patients, of whom 426 (51.1%) were men. The average age of patients was 34.81 years (1-90 years). Four hundred thirty-two (51.2%) patients underwent emergency surgery. The sex ratio (M/F) was 1.04. Arab-Berbers race accounted for 77.8%. Appendicular disease accounted for 41.12%, hepatobiliary disease accounted for 17.76%, and abdominal wall disease accounted for 16.1%). Thyroid disease accounted for 5.6%. One hundred eighty-three (21.94%) patients developed postoperative complications, including 4 (2.1%) deaths. Clavien-Dindo grade II was the most represented with 82.5% of complications and accounted for 17.91% of all operated patients. Surgical site infection accounted for 62.8% of all complications., Conclusion: This study shows that the Clavien-Dindo classification can be applied to patients who have undergone elective surgery and emergency surgery. We think that the lack of follow-up and the lack of means to fight the infection and the non-rigorous respect of asepsis and antisepsis procedures would play an important role., Competing Interests: Les auteurs ne déclarent aucun conflit d’intérêts., (© Ahmedou Moulaye Idriss et al.)

Primary epidermoid carcinoma (PEC) also known as squamous cell carcinoma of the breast is a rare tumor accounting for 0.1% to 2% of all breast cancers. It is a metaplastic carcinoma; its histogenesis and prognosis are controversial as well as its clinical and mammographic appearances which are not characteristic compared to other cancers. PEC is characterized by a rapid evolution and treatment is not codified. The purpose of this study is to report the clinical and evolutionary features of a new case of PEC and to conduct a literature review., Competing Interests: Les auteurs ne déclarent aucun conflit d’intérêts.