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Background: Müllerian cysts of the posterior mediastinum are rare, benign lesions typically discovered incidentally via routine medical exams.

Case Presentation: We present a distinctive case of a 49-year-old asymptomatic woman, illustrating a rare Müllerian cyst located in the posterior mediastinum with serous papillary cystadenoma-like features, a novel finding in the medical literature. Identified during a routine health screening in December 2020, a 20 mm cystic lesion adjacent to the T4-5 vertebral body was detected through chest CT and MRI, initially suggesting a neurogenic tumor.

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The presence of cystic lymph nodes in the neck can present a challenging differential diagnosis, with considerations often including metastatic papillary thyroid carcinoma (PTC), cystic squamous cell carcinoma, and congenital cysts. The cytologic overlap between benign Müllerian inclusions and PTC features adds complexity, especially in unusual locations. A 45-year-old woman with a history of ovarian serous borderline tumor (SBT) and non-invasive Müllerian implants presented with cystic lymphadenopathy in the neck.

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[Pancreatic cystic neoplasms: work-up and surveillance].

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Abteilung für Gastroenterologie und Hepatologie, Stadtspital Zürich, Zürich

Whereas pancreatic masses are often difficult to detect with transabdominal ultrasound, cross-sectional imaging features high sensitivity for the pancreatic tumors. However, increasing availability of magnetic resonance imaging (MRI) has led to a surge in the detection of benign or precancerous pancreatic lesions. The medical history is characteristic only for two entities.

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Radiomics for differentiating pancreatic Mucinous Cystic Neoplasm from Serous Cystic Neoplasm: Systematic Review and Meta-Analysis.

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Division of Pancreatic Surgery, Department of General Surgery, Qilu Hospital, Shandong University, Jinan, Shandong Province, China (L.Z., B.D., Z.F., H.Z.). Electronic address:

Background: As pancreatic cystic neoplasms (PCN) differ in current standard of care, and these treatments can affect quality of life to varying degrees, a definitive preoperative diagnosis must be reliable. Current diagnostic approaches, specifically traditional cross-sectional imaging techniques, face certain limitations. But radiomics has been shown to have high diagnostic accuracy across a range of diseases.

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Background: Distinguishing serous cystadenoma, a benign pancreatic cyst, from potentially malignant mucinous pancreatic cystic lesions carries significant clinical and prognostic implications; and while endoscopic ultrasound-guided fine needle aspiration is the standard diagnostic tool, its low diagnostic yield often results in additional workup.

Objective: This study evaluates diagnostic yield of fine needle biopsy (FNB) on lesions suggestive of serous cystadenoma on endoscopic ultrasound.

Methods: Patients with microcystic EUS appearance were identified through retrospective chart review in two institutions.

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