PathWays Case Study for May 17

A 27-year-old woman complains of mild back and shoulder pain for several months. In the past few weeks, she has developed dyspnea, cough, fatigue, weight loss, and decreased appetite. Chest X-ray showed opacification of the right hemithorax, and follow-up CT showed a 20 cm pleural-based lung mass involving the right chest. Large areas of cystic change or necrosis are noted on imaging. Core biopsy of the mass was performed (see photomicrographs).



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Jennifer Boland Froemming, M.D.
Consultant, Division of Anatomic Pathology
Mayo Clinic
Assistant Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine






apriljosselyn (@apriljosselyn)


April Josselyn is a Marketing Channel Manager at Mayo Clinic Laboratories. She has worked at Mayo Clinic since 2012. Outside of work, April enjoys the outdoors and being "hockey mom" for her two sports-crazed boys.