A 45-year-old woman presented with a 6 cm nodule in the upper arm. She had removed a bona fide lipoma from the same area >10 years ago. An MRI showed a suspected sarcoma and the lesion was excised.
![]() |
Felix Haglund, M.D., Ph.D. Resident, Pathology and Cytology Karolinska University Hospital |
![]() |
Karen Fritchie, M.D. Consultant, Anatomic Pathology Mayo Clinic Associate Professor of Laboratory Medicine and Pathology Mayo Clinic College of Medicine |