External Ear Carcinoma, also known as carcinoma of the external ear, is related to malignant syringoma and external ear squamous cell carcinoma. An important gene associated with External Ear Carcinoma is HPD (4-Hydroxyphenylpyruvate Dioxygenase), and among its related pathways/superpathways are Nervous system development and Cellular responses to stimuli. Affiliated tissues include lymph node and bone, and related phenotype is Increased shRNA abundance (Z-score > 2).