Polysplenia syndrome is classified as one of the situs ambiguous or heterotaxy syndromes and is classically termed left isomerism or bilateral left-sidedness. However, polysplenia is a controversial and complex entity with no fixed pathognomonic features but rather a broad spectrum of abnormalities. In many published case series, polysplenia was neither associated with viscero-atrial heterotaxy nor with duplication of left-sided structures. The relationship between polysplenia and viscero-atrial situs is not clear. Several recent case reports describe the association of polysplenia with situs inversus totalis or with pancreatic; venous and other anomalies or with several types of malignancy. This article provides the reader with a review of the literature as well as our own experience aiming at better understanding of the polysplenia syndrome, its relationship with viscero-atrial situs and the spectrum of associated extra-cardiac anomalies.

COVID-19 (coronavirus disease 2019) is a recently emerged pulmonary infection caused by severe acute respiratory syndrome coronavirus (SARS-CoV-2). It started in Wuhan, China, in December 2019 and led to a highly contagious disease. Since then COVID-19 continues to spread, causing exponential morbidity and mortality and threatening economies worldwide. While the primary diagnostic test for COVID-19 is the reverse transcriptase–polymerase chain reaction (RT-PCR) assay, chest CT has proven to be a diagnostic tool of high sensitivity. A variety of conditions demonstrates CT features that are difficult to differentiate from COVID-19 rendering CT to be of low specificity. Radiologists and physicians should be aware of imaging patterns of these conditions to prevent an erroneous diagnosis that could adversely influence management and patients’ outcome. Our purpose is to provide a practical review of the conditions that mimic COVID-19. A brief description of the forementioned clinical conditions with their CT features will be included.

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Fibromatosis is a benign tumor that rarely affects the breast and is an unusual site for its occurrence. Whilst the definite etiology of breast fibromatosis is unclear, it may present itself following surgical trauma or silicone implant. Wide local excision with adequate safety margins is considered the standard of care. We review three cases of breast fibromatosis who were presented to and operated in the Oncology center, Mansoura universty (between April 2014 and August 2016). Two of these cases underwent wide local excision and primary closure of the defect whilst the other one was reshaped by mini latismuss dorsi flap.

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