A 43 year old Caucasian female presented to the dermatology clinic with a complaint of a patch of hair loss on her posterior scalp present for a few weeks. She had no history of similar hair loss in the past. The patient was otherwise well and her review of systems was negative. Past medical history was significant for breast cancer treated one month previously with modified radical mastectomy and breast reconstruction. She was on chemotherapeutic agents and assumed that her hair loss was secondary to her medication.
Physical Exam: a 5 cm circular alopetic patch over her occipital scalp was noted
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