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Introduction and importance The differential diagnosis of a paediatric abdominal mass can be extensive, as it potentially involves multiple organs including gastrointestinal, genitourinary, endocrine, and gynaecological systems. Hence, a systematic approach to history taking and physical examination is needed to clinch the diagnosis. Specifically, the approach for assessing, investigating, and managing a ballotable left hypochondrial mass in a child can be challenging. Case presentation We report a 10-year-old Dusun girl presenting with left hypochondrial pain and noted a left hypochondrial mass on examination. This report highlights the role of clinical imaging during the pre-operative and post-operative phases. Clinical discussion Ultrasound and CT imaging was useful in determining that the tumor originated from the tail of the pancreas. The presence of a definite capsule with internal solid-cystic components helped narrowed the differential diagnosis to solid pseudopapillary neoplasm (SPN) of the pancreas. MR liver was useful to rule out liver metastasis in this child. Intervention and outcome The patient was scheduled for laparotomy and tumour excision at a regional paediatric centre. Successful excision of the tumor en-mass was performed and the child's subsequent recovery was uneventful. Conclusion Clinical imaging plays a critical role in the diagnosis and management of paediatric solid organ tumours. Other than renal origin, suspicion of pancreatic tail origin should be considered by clinicians when encountering a ballotable left abdominal mass., Highlights • A mass arising from the pancreatic tail can present as a ballotable mass. • Imaging findings for solid pseudopapillary neoplasm and differentials are presented. • The role of imaging in the management of solid pseudopapillary neoplasm is discussed.

Background Metastatic neuroendocrine tumours (NETs) to the breast are very rare entities. Case presentation A 26-year-old lady presented with anterior neck swelling with symptoms of superior vena cava syndrome for 6 months. Imaging study revealed a mediastinal mass which was preceded with core biopsy which was consistent with high-grade small cell NETs. Despite second-line adjuvant chemotherapy and radiotherapy, her disease became advanced which was confirmed via restaging scan. There were bilateral breast lesions discovered during the scan which was deemed to be metastatic NETs histologically. Despite prompt initiation of treatment, she succumbed 1 year after the radiotherapy due to disease progression. Conclusion High suspicion of an index is needed for diagnosis when patients with known primary NETs present with suspicious breast lesions. Triple assessment is mandatory, however histopathology assessment and immunohistochemistry staining are the mainstay of diagnosis., Highlights • Metastatic breast neuroendocrine tumours are very rare entities especially when they arise from the mediastinum. • High suspicion of an index is needed for diagnosis when patients with known primary neuroendocrine tumours presented with suspicious breast lesions. • Any breast pathology requires a triple assessment including secondary breast neuroendocrine tumours.

Background Gastric trichobezoar happens when there is an indigestible substance or food found in the gastrointestinal tract. It is a rare presentation which is usually associated with trichotillomania and trichopagia. The presentation may not be specific and is usually related to dyspepsia-like symptoms. In the worst-case scenario, this may cause gastric outlet or intestinal obstruction which eventually requires surgery. Case presentation We present a 36-year-old lady with underlying end-stage renal failure (ESRF) and undiagnosed mental health issues who was treated for recurrent episodes of gastritis. Imaging modalities revealed intragastric foreign body ingestion which is consistent with gastric trichobezoar. She eventually underwent laparotomy and gastrotomy to remove the foreign body. Postoperatively, she was referred and followed-up by the psychiatric team. Conclusion Gastric trichobezoar has strong associations with psychiatric disorders. With the co-existence of an ESRF, uraemia might contribute to the aetiology of the trichotillomania and trichophagia. Open surgery is the choice of definitive management especially if bezoars are larger. Should the recurrence be remitted, a biopsychosocial modality and regular haemodialysis is the most sustainable approach to ensure the behaviour does not persist., Highlights • Depressive symptoms with concomitant end-stage renal failure might contribute to the occurrence of the trichotillomania and trichophagia, leading to gastric trichobezoar. • Surgery is the mainstay of treatment in trichobezoar with complications. • Referral to psychiatry is mandatory in addition to continuous medical treatment in patients with trichobezoar.

Vitiligo is one of the dermatomes affecting the melanocytes resulting in their destruction and subsequent patchy depigmentation of the skin. It is postulated to occur due to an autoimmune problem. Despite being a disease with limited systemic involvement and lack of mortality, it has a severe psychological impact. It may have a powerfully negative effect on a patient's quality of life. The relationship between vitiligo and pregnancy is not widely acknowledged. It may be associated with adverse pregnancy outcomes such as recurrent miscarriage, prematurity, intrauterine growth retardation and pre-eclampsia. Herein, this review describes the disease's adverse effects on pregnancy outcomes and the influence of pregnancy itself on the clinical evolution and prognosis of vitiligo., Highlights • Vitiligo may be associated with adverse pregnancy outcomes such as recurrent miscarriage, prematurity and pre-eclampsia. • In this review, a comprehensive literature search has been taken to outline the disease’s adverse effects on pregnancy. • This review also includes a literature search on the effects of pregnancy on the clinical progress of vitiligo.

Background Adult intussusception is a relatively rare clinical entity. The majority of cases of intussusception in adults are due to a pathologic condition that serves as a lead point and requires surgery. Small bowel intussusception is usually caused by benign or malignant neoplasms appearing at the head of the invagination. Inflammatory fibroid polyp (IFP) of the small bowel is an unusual benign neoplastic lesion that has been rarely reported to cause intussusception, especially in the jejunum. Case presentation We present a rare case of adult intussusception who presented with a triad of intestinal obstruction. Computed tomography revealed small bowel intussusception with bowel ischemia. Intraoperatively, she required resection of the small bowel and primary anastomosis. Macroscopic examination revealed a single pedunculated polyp, which is the lead point of intestinal obstruction and confirmed histologically. Conclusion Inflammatory fibroid polyp should be considered as a cause of intussusception among adults with small bowel obstruction., Highlights • IFP must be considered among adults with small bowel intussusception. • Surgery is the mainstay of treatment in obstructed small bowel intussusception. • Histological examination with immunohistochemistry is warranted to establish the final diagnosis.

The Coronavirus Disease 2019 (COVID-19) pandemic has taken the world into turmoil by surprise. The rapid spreading of this virus has led to an exponential increase in the number of cases. It has created a public health disaster, causing a collapse of the health system in every part of the world. Many sectors in the health area are affected, including histopathology services. The challenges and risk of viral transmission can come from various aspects and levels. For COVID-19 tests, there are even cases of no direct contact with the specimens; the specimens received infection from individuals of unknown status. The fixatives used for histopathology specimens are believed to be inactivated viruses, which can be an inactivate coronavirus. Even so, precautions have to be put in place to prevent the spread of infection to laboratory personnel, especially to those handling underfixed and fresh frozen cytology samples. Precautions must also be taken when dealing with histopathology services, by wearing full personal protective equipment and by executing other standard safety measures. The purpose of this review is to highlight the challenges faced in managing histopathology services in our centre during the COVID-19 pandemic.