Case Studies

A 37-year-old female diagnosed with attention-deficit hyperactive disorder (ADHD) presented for her annual Adderall (amphetamine and d-amphetamine) compliance testing visit and prescription refill. The confirmatory[...]

This "Pathways" program provides Anatomic and Clinical Pathology cases that include a history, potential answers, rationale, and relevant references. Cases for February include the following sub-specialties: Anatomic Pathology, Cytopathology, Clinical Microbiology, Gastroenterology, Hematopathology, Infectious Disease, and Laboratory Genetics & Genomics

A 65-year-old man with history of treated anal intraepithelial neoplasia presents with new-onset diarrhea. A Papanicolaou-stained anal smear was performed for follow-up cancer screening. Nicholas[...]

78 year old man with new onset bilateral shoulder/neck pain and weakness, jaw pain exacerbated by chewing, and odynophagia with both solids and liquids. A[...]

A 43-year-old female presents with seizures following weeks of progressive lower extremity numbness. Imaging reveals a contrast-enhancing parasagittal brain mass without other systemic findings. She[...]

A 71 yr old female with a history of a central nervous system lymphoma, an allogenic stem cell transplant and graft versus host disease was[...]

This "Pathways" program provides Anatomic and Clinical Pathology cases that include a history, potential answers, rationale, and relevant references. Cases for January include the following sub-specialties: bone and soft tissue, cellular therapy, laboratory genetics and genomics, and pulmonary

A 27-year-old man underwent amputation of the right fourth toe for a soft tissue mass. Kyriakos Chatzopoulos, M.D.Resident, Anatomic and Clinical PathologyMayo Clinic Andrew Folpe,[...]

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[...]

Chimeric antigen receptor T cells (CAR T cells) represent an exciting new area of cellular therapy. Manufacturing autologous CAR T cells involves virally transducing a[...]

A 19 year old female with a complex phenotype suggestive of a mitochondrial disorder had mitochondrial DNA sequencing performed three times at an outside institution,[...]

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,[...]