Quiste broncogénico retrorrectal / Retrorectal Broncogenic Cyst

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Comparison of flipped learning and traditional lecture method for teaching digestive system diseases in undergraduate medicine: A prospective non-randomized controlled trial.

INTRODUCTION: This study examined the effects of a large-scale flipped learning (FL) approach in an undergraduate course of Digestive System Diseases. METHODS: This prospective non-randomized trial recruited 404 students over three academic years. In 2016, the course was taught entirely in a Traditional Lecture (TL) style, in 2017 half of the course (Medical topics) was replaced by FL while the remaining half (Surgical topics) was taught by TL and in 2018, the whole course was taught entirely by FL. Academic performance, class attendance and student's satisfaction surveys were compared between cohorts. RESULTS: Test scores were higher in the FL module (Medical) than in the TL module (Surgical) in the 2017 cohort but were not different when both components were taught entirely by TL (2016) or by FL (2018). Also, FL increased the probability of reaching superior grades (scores >7.0) and improved class attendance and students' satisfaction. CONCLUSION: The holistic FL model is more effective for teaching undergraduate clinical gastroenterology compared to traditional teaching methods and has a positive impact on classroom attendances.

Tratamiento no quirúrgico de la isquemia mesentérica crónica por lesión en la AMS a través de la AMI: una opción a considerar en el paciente frágil / Non-surgical treatment of chronic mesenteric ischemia owing to lesion in the SMA through the SMI: An option for consideration in frail patients

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Shock obstructivo secundario a hernia diafragmática: una rara complicación tras cirugía esofágica / Obstructive shock secondary to diaphragmatic hernia: An uncommon complication after esophageal surgery

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Obstrucción intestinal secundaria a fístula entero-entérica: una rara complicación en consumidores crónicos de AINE / Small bowel obstruction secondary to enteroenteric fistula: An uncommon complication in chronic NSAID users

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Schwannoma anciano del nervio obturador: una rara causa de neuralgia / Ancient schwannoma of the obturator nerve: an uncommon cause of pelvic neuralgia

Los tumores retroperitoneales son lesiones infrecuentes. Las tumoraciones nerviosas benignas como los schwannomas representan menos del 3% de ellos, siendo extremadamente raros los que afectan el nervio obturador. Presentamos el caso de un paciente con importante afectación funcional en miembro inferior izquierdo y dolor pélvico, al que se le diagnosticó neoplasia retroperitoneal. Fue intervenido por vía laparoscópica objetivándose la dependencia de la lesión del nervio obturador. Se llevó a cabo una exéresis completa de la lesión preservando parcialmente el nervio. El paciente tuvo una evolución funcional y álgica muy favorable. La anatomía patología reveló la presencia de schwannoma, del denominado subtipo "anciano", sin datos de malignidad. Consideramos que el informe de un caso como este puede ayudar a conocer una patología muy infrecuente y a tener en consideración algunos puntos clave como la técnica de abordaje y la necesidad de preservación de las estructuras nerviosas.

Retroperitoneal tumors are uncommon; benign tumors originating in the nerve cells as schwannomas represent less than 3%, while schwannomas of the obturator nerve are extremely rare. We report the case of a male patient with significant functional compromise of the left lower limb and pelvic pain who was diagnosed with a retroperitoneal tumor. The patient underwent laparoscopic surgery during which the compromise of the obturator nerve was evident. The lesion was completely resected with partial preservation of the nerve. The patient progressed with favorable functional recovery and pain relief. The histopathological examination reported a benign ancient schwannoma. We believe that this case report can help to understand a very rare condition and consider some key points such as the technique of approach and the need for preservation of the nerve structures.

Tuberculosis hepática simulando metástasis de cáncer colorrectal / Hepatic tuberculosis mimicking metastatic colorectal cancer

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Melanoma mucoso intestinal: una rara causa de obstrucción / Melanoma of the intestinal mucosa: A rare cause of obstruction

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Tumor anal gigante / Giant anal tumor

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Priapismo de alto flujo: una complicación excepcional de la cirugía del cáncer de recto / High flux priapism, an exceptional complication of rectal cancer surger

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Carbón activado en la cavidad peritoneal / Activated carbon in the peritoneal cavity

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