A 49-Year-Old with a 4-Week-Old Lesion on Her Toe

A 49-Year-Old with a 4-Week-Old Lesion on Her Toe

A 49-year-old woman presents with a lesion that developed over her right toe over the past 4 weeks. It is painless, but has begun to bleed. On examination, a smooth, pink, friable, eroded nodule is seen on the nail bed. View the image taken and consider what your diagnosis and next steps would be. Resolution of the case is described on the next page.

Read More
A 23-Year-Old with a Pruritic, Spreading Rash

A 23-Year-Old with a Pruritic, Spreading Rash

Click Here to download the article PDF. A 23-year-old woman presents with a severely pruritic rash that developed on her leg and is spreading. The patient reports that 2 days prior to onset, she had gone hiking with her dog. She recalls going off-trail and brushing up against “woody vines and shrubs.” She denies sustaining insect bites and notes that the sun was particularly intense that day, so she wonders if this may be a …

Read More
A 30-Year-Old Male with Chest and Leg Pain—and a History of Polysubstance Use

A 30-Year-Old Male with Chest and Leg Pain—and a History of Polysubstance Use

Click Here to download the PDF A 30-year-old male with history of polysubstance use presents after a motor vehicle collision. He reports chest and leg pain, and denies nausea, vomiting, or shortness of breath. He has no known cardiac history. View the ECG taken and consider what your diagnosis and next steps would be. Resolution of the case is described on the next page.

Read More
A 59-Year-Old with a Painful Finger Skin Lesion

A 59-Year-Old with a Painful Finger Skin Lesion

Click Here to download the article PDF A 59-year-old woman presents with a painful skin lesion near her fingernail which has developed over the past week. She reports a history of advanced non-small cell lung cancer, for which she was recently started on erlotinib. On examination you observe a glistening, hemorrhagic papule at the lateral nail fold with surrounding erythema and edema. The patient denies trauma or exposure to skin irritants. View the image taken …

Read More
A 41-Year-Old with Knee Pain After Playing Basketball

A 41-Year-Old with Knee Pain After Playing Basketball

Click Here to download the article PDF A 41-year-old male presents with knee pain after playing basketball in his driveway with his teenage son. He reports that he had sudden pain and heard a “pop” as he landed after jumping. He is unable to fully extend his leg. View the image taken and consider what your diagnosis and next steps would be. Resolution of the case is described on the following page.

Read More
A 46-Year-Old with Evolving Sores on Her Hand and Arm

A 46-Year-Old with Evolving Sores on Her Hand and Arm

Click Here to download the PDF. A 46-year-old female presents with an evolving eruption that developed on her right hand and spread to her forearm over the past several weeks. She is an immunocompetent commercial landscaper who lives in Brazil, and she does not recall any specific injury. She is regularly exposed to toxic plants and sustains minor scratches and cuts at work. She also suspects that she could have experienced bug bites. She appears …

Read More