This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacterial infections, Subject name: Dental
Following is a bacterial infection 
Select and explain. 
A. Pyoderma gangrenosum, B. Impetigo herpitformis, C. Pitted keratolysis, D. Mycosis fungoides
C: Pitted keratolysis
Answer: C: Pitted keratolysis 
Explanation: Pitted keratolysis shallow pits on palms and soles causative organism: coryneform bacteria most common in: hyperhidrotics, marshy lands, housewives treatment: topical antibacterials pyoderma gangrenous: neutrophilic dermatosis of skin and mucous membranes impetigo herpitiformis: pustular psoriasis of pregnancy mycosis fungicides: cutaneous T cell lymphoma iadvl textbook of dermatology page 237