Dr. Walling is a fellowship-trained Mohs surgeon. His research includes identifying factors associated with "complex" Mohs cases—those requiring four or more surgical stages to fully excise skin cancer while sparing healthy tissue.
A significant portion of his work involves the early diagnosis and management of cutaneous melanoma. He has contributed to the BMJ Best Practice regarding skin cancer, emphasizing the "ABCD" criteria (Asymmetry, Border irregularity, Color variability, Diameter >6mm) and the "ugly duckling" sign for identifying suspicious lesions. Hobart W
Hobart W. Walling is a highly regarded dermatologist based in Coralville, Iowa, known for his clinical expertise and prolific research. His work primarily focuses on complex skin conditions and dermatological surgery. emphasizing the "ABCD" criteria (Asymmetry