PathWays

This week’s case study involves a 49-year-old woman evaluated for numbness of her left arm and leg. During the workup, she was incidentally found to have a large pituitary tumor on her head MRI. Can you make the diagnosis?

By April Josselyn • August 15, 2017

This week’s case study reviews an imaging-guided core needle biopsy performed on a 65-year-old man with a 5-cm well-circumscribed right lower lobe lung mass. Can you make the diagnosis?

By April Josselyn • August 8, 2017

This week’s case study ​reviews a 25-year-old female with no history of medical problems who presents to her family medicine physician for routine obstetric care. Based on the patient’s clinical history and the results of blood bank testing, what is the next best step in managing this patient?

By April Josselyn • August 1, 2017
Microarray results for PTEN for the patient (left), a positive control in which all of PTEN is heterozygously deleted (center), and a negative control. Each “dot” represents a probe, and the colors represent the copy state, with black representing neutral, green representing loss, and red representing gain. These results are zoomed in to specifically show the copy number state of exon 9 of PTEN. The exon is represented on the far right of the figure and is highlighted across every sample by the blue horizontal line.

This week’s case study reviews the PTEN genetic testing from a 34-year-old female who presented to a dermatology clinic for evaluation of several facial skin lesions. Can you make the diagnosis?

By Rene Revier • July 25, 2017

This week’s case study reviews the molecular and biochemical genetic testing from a 34-year-old female. Can you make the diagnosis?

By Rene Revier • July 18, 2017

This week’s PathWays case study involves a 63-year-old woman experiencing difficulties with memory, balance, and fatigue. Can you make the diagnosis?

By Rene Revier • July 11, 2017

This week’s case study reviews the thoracentesis-fluid cytology, smear, and cell block from a 79-year-old man with left pleural effusion. Can you make the diagnosis?

By April Josselyn • June 27, 2017

This week’s case study reviews a uterine leiomyomata, which was removed from a 27-year-old woman who presented for a myomectomy due to abnormal uterine bleeding. Can you make the diagnosis?

By April Josselyn • June 20, 2017

This week’s case study reviews a 6-cm soft tissue mass located in the trapezius muscle, which was excised from a 10-year-old girl. Can you make the diagnosis?

By Rene Revier • June 13, 2017

This week’s case study reviews the case of a 58-year-old man who received an above-the-knee amputation as treatment for a growing, painful right thigh mass. Can you make the diagnosis?

By Rene Revier • June 6, 2017

This week’s case study reviews a polyp retrieved from the colon of a 47-year-old woman. Can you make the diagnosis?

By Rene Revier • May 30, 2017

This week’s case is a 45-year-old woman with a right labia lesion. She underwent a biopsy at a referring institution. Can you make the diagnosis?

By Rene Revier • May 23, 2017

This week’s case study reviews the request for antibody identification in a 28-year-old African-American female with previously negative antibody screens. Can you make the diagnosis?

By Rene Revier • May 16, 2017