Pathways – Anatomic Pathology

This is a surgical pathology case of a 70-year-old woman with multiple bilateral relatively stable lung nodules and history of metastatic leiomyosarcoma of Mullerian origin[...]

This "Pathways" program provides Anatomic and Clinical Pathology cases that include a history, potential answers, rationale, and relevant references. Cases for December include the following sub-specialties: Biochemical Genetics, Bone and Soft Tissue, Dermatopathology, and Genitourinary.

A 12 week old boy presented with a 6 cm heterogeneous solid mass with cystic change, involving the mid/lower pole of the right kidney. Grossly,[...]

A 29 year old female presents with large, painless right abdominal wall mass. The mass was excised, and microscopic evaluation demonstrated an infiltrative spindle cell[...]

A 7-year old boy presented with growing skin lesion on the back. Chady Meroueh, M.D.Fellow, Clinical Informatics Mayo Clinic Thomas Flotte, M.D.Consultant, Anatomic PathologyMayo ClinicProfessor[...]

A 60-year-old woman presented for evaluation of hirsutism. She was found to have an elevated total testosterone level of 331 ng/dL(reference range 8-60 ng/dL) and[...]

This "Pathways" program provides Anatomic and Clinical Pathology cases that include a history, potential answers, rationale, and relevant references. Cases for October include the following sub-specialties: Cytogenetics, Endocrine, Gastrointestinal, Neuropathology, and Transfusion Medicine.

A 65-year-old woman had a 12 year progressive history of ascending numbness and tingling of the left, then right side of her body. Multiple physicians[...]

A 64-year-old man was found to have an incidental liver mass on ultrasonography during a work-up for chronic kidney disease. He had a history of[...]

A woman in her 60s presents with a mass in the left lobe of the thyroid and lymph node metastases. Upon thyroidectomy, the tumor histologically[...]

A 52-year-old woman presents with progressive numbness involving the right side of her face and tongue, diplopia, swallowing difficulty, and gait instability. She has an[...]

Mayo Clinic laboratory experts share five case studies in this month’s “PathWays” post and are challenging you to test your laboratory genetics & genomics, bone & soft tissue, renal, infectious disease, and gastroenterology pathology knowledge. Review the cases, take the quizzes, and learn how the correct diagnoses were made.

23-year-old male with an isolated soft tissue mass on the back measuring 1.5 cm.The mass is centered in the dermis and extending into the underlying[...]