Naomi G. Johansen, MD

A 6-year-old African American boy was seen in clinic with a patch of hair loss of approximately 2 cm in diameter.

<p><img src="/sites/default/files/transfer/1212CFP_DC_IndxFg.jpg" alt="erythema nodosum" title="erythema nodosum" style="margin-left: 5px; margin-right: 5px;...