Vol 56: august • août 2010 Canadian Family Physician•Le Médecin de famille canadien
775
Practice
Dermacase
Can you identify this condition?
Michael A. Sawchuk Benjamin Barankin
MD FRCPCA
healthy 28-year-old woman presents with an asymmetric, 7-mm, dark brown macule on her back. The lesion has been present for many years. She believes that the lesion has grown in size and has become darker in the past few months. There is no personal or family history of skin cancer.The most likely diagnosis is 1. Seborrheic keratosis 2. Melanoma
3. Acquired melanocytic nevus 4. Dysplastic nevus
5. Senile lentigo
Answer on page 776
Ophthaproblem
Can you identify this condition?
Davin Johnson
MDKelly D. Schweitzer
MDSanjay Sharma
MD MSc MBA FRCSCA
24-year-old man presents to the after-hours clinic complaining of a foreign body sen- sation in his left eye. Six hours earlier he was working in his garage and felt a “speck of metal”fly into his eye while hammering a nail. He was not wearing eye protection. On examination the patient’s visual acuity is 6/6 bilaterally. Slit lamp examination of the left eye is shown above.
The most likely diagnosis is
1. Intraocular foreign body 2. Rust ring
3. Corneal foreign body 4. Conjunctival foreign body
Answer on page 777