title: "Arrow" sign: a rapid microscopic diagnosis of hair change associated with epidermal growth factor receptor inhibitors.
authors: Pai-Shan
authors: PS
authors: Cheng
authors: Feng-Jie
authors: FJ
authors: Lai
mesh_terms: D000328:Adult; D000368:Aged; D000970:Antineoplastic Agents / Q000009:adverse effects*; D003875:Drug Eruptions / Q000175:diagnosis / Q000209:etiology; D066246:ErbB Receptors / Q000037:antagonists & inhibitors; D000069347:Erlotinib Hydrochloride; D005260:Female; D000077156:Gefitinib; D006197:Hair / Q000187:drug effects / Q000473:pathology*; D006801:Humans; D008297:Male; D008853:Microscopy; D008875:Middle Aged; D011799:Quinazolines / Q000009:adverse effects*; D012536:Scalp Dermatoses / Q000139:chemically induced / Q000175:diagnosis*
chemical_list: D000970:Antineoplastic Agents; D011799:Quinazolines; D000069347:Erlotinib Hydrochloride; D066246:ErbB Receptors; D000077156:Gefitinib