PathWays

A 34-year-old woman noticed a lump in her right breast in December 2017. By ultrasound, a 2.4 cm, well-circumscribed hypoechoic mass was seen. By MRI,[...]

Mayo Clinic laboratory experts share four case studies in this month’s PathWays post and are challenging you to test your anatomic pathology, infectious disease pathology, laboratory genetics, and gastrointestinal pathology knowledge. Review the cases, take the quizzes, and learn how the correct diagnoses were made.

The patient is a 78-year-old woman with a medical history significant for chronic kidney disease stage III, microscopic hematuria, and proteinuria. Investigations show a serum[...]

A 65-year-old woman was admitted to a hospital in Mason City, Iowa, due to a two-month history of malaise and migraines that had been progressively[...]

A 51-year-old male with no significant past medical history underwent screening colonoscopy. A 0.5 x 0.4 x 0.3 cm transverse colon polyp was seen and[...]

A 25-year-old female presented with extreme malnourishment (BMI=9). Her nutrition has been suffering due to severe gastroparesis along with cyclic vomiting and food intolerance. Her[...]

Mayo Clinic laboratory experts share four case studies in this month’s PathWays post and are challenging you to test your blood, clinical pathology, hematopathology, and anatomic pathology knowledge. Review the cases, take the quizzes, and learn how the correct diagnoses were made.

A 64-year-old male underwent general anesthesia for a primary coronary artery bypass graft (CABG) of his left anterior descending (LAD) artery using the left internal[...]

This incidental miscroscopic finding is observed in both ovaries in a 40-year-old woman who has undergone prophylactic hystero-salpingo-oophorectomy.   Yifan Zhang Resident, Department of Pathology[...]

A 57-year-old female presented with easy bruising, hirsutism, and weight loss. Morning serum cortisol was 54.1 mcg/dL (reference interval (RI): 7-25 mcg/dL) with an adrenocorticotropic[...]

Here, we report a case of a 56-year-old African-American female with a reported history of “alpha thal trait” found to have severe reticulocytopenic microcytic anemia[...]

Mayo Clinic laboratory experts share four case studies in this month's PathWays post and are challenging you to test your gastrointestinal, molecular diagnostics, and hematopathology knowledge. Review the cases, take the quizzes, and learn how the correct diagnoses were made.

A 13-year-old previously healthy female presented to her pediatrician with progressive dizziness, pallor, exercise intolerance, fatigue, and pica. Nine months later, she was diagnosed with[...]