Introduction and importance Meckel's Diverticulum (MD) is the most occurring congenital anomaly of the gastrointestinal tract. It characterizes a patent remnant of the omphalomesenteric duct. Despite remaining asymptomatic most of the time, the rarity of its occurrence is reflected by the scarcity of data involving it in the literature. Gastrointestinal bleeding, bowel obstruction, and inflammation are the most prevalent complications of MD. Perforation of MD is very rare. Case presentation We present the case of a previously healthy 32-year-old female, who presented to the emergency department with a 2-day-history of generalized abdominal pain. Radiological analysis suggested a perforated viscus and an inflamed Appendix. Clinical discussion Our patient was diagnosed preoperatively with perforated hollow viscus and an exploratory laparotomy was indicated. Intraoperatively, a perforated MD was found and treated by surgical excision of the affected loop of bowel with end-to-end anastomosis and the specimens were sent for histopathological analysis. Histopathology revealed a perforated MD containing gastric mucosa. The patient had successful recovery. Conclusion Early recognition with swift surgical intervention must take place to provide therapeutic outcome for patients and to limit the resulting morbidity. This case highlights the necessity of considering MD as core differential diagnosis in patients with acute abdomen. Due to the scarcity of data on perforated MDs in adult females, it's worthy of studying to highlight its incidence. Due to the rarity of a perforated MD in an adult female, it's worthy to consider such cases to explore preoperative assessment techniques, surgical interventions options, and postoperative complications.

Introduction and importance The gastrointestinal system is the most common site for extra-nodal NHL. Adolescent population are among the rarest of compromised groups, especially males. The gastrointestinal system is more involved by secondary metastasis rather than by primary lymphomas. Cardinal B-Symptoms and obstipation constituted the presentation of our patient who was diagnosed postoperatively as a case primary non-metastatic NHL. NHL can have misleading presentations which result in the implementation of different treatment modalities. We ought to have high clinical suspicion when presented with a patient suffering from B-Symptoms and obstipation to make timely judgements which help in performing effective therapeutic interventions to limit the morbidity and mortality which result from this pathology. Case presentation We present the case of a 19-year-old male, who presented with obstipation and B-Symptoms. CT scan indicated loop dilation, a lobulated mass, and what radiologically seemed to be intussusception. Surgery was done and the resected specimens were DLBCL. Clinical discussion We treated him by surgical excision of the affected ileal segments. Histopathology indicated a primary Non-Hodgkin's DLBCL of the ileum. Afterwards, we referred him for adjuvant chemotherapy. Treatment modalities for this malignancy are mainly surgical in addition to Chemotherapy. Conclusion Intestinal extranodal NHL presents with an array of vague symptoms. As a result, this type of tumors can be clinically indistinguishable from other gastrointestinal malignancies. It is vital to keep this type of malignancy in mind as a differential diagnosis when presented with a surgical abdomen in a patient with B-Symptoms.

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Leiomyosarcoma (LMS) is a common form of soft tissue sarcoma. Primary colonic LMS is an extremely rare entity, comprising 1–2% of gastrointestinal malignancies. Primary mesenchymal sarcomas of the gastrointestinal system are rare and constitute just 0.1–3% of all gastrointestinal tumours. LMS is the most common variant of such tumours and represents just 0.12% of colorectal malignancies. We present a case of a 65-year-old female, who presented to the emergency department with 3 days history of obstipation and generalized abdominal pain. Radiology (X-ray and ultrasound) indicated a large pelvic mass compressing the sigmoid colon and its surrounding structures. Histopathological analysis indicated a primary LMS of the sigmoid colon. Diagnosis is established mostly postoperatively after histopathological evaluation. Prognosis and treatment modalities for this aggressive malignancy remain insufficient. LMS is relatively impervious to chemotherapy/radiotherapy. Our patient was treated by surgical excision of the tumour and referred postoperatively for adjuvant chemotherapy.

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