This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Dental
[{'content': "Fine reticular pigmentation with palmar pits are seen in - \nSelect and explain. \nA. Dowling - Degos disease, B. Rothmund thornpson syndrome, C. Cockyane syndrome, D. Bloom's syndrome", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Fine reticular pigmentation with palmar pits is characteristic of downing Degos disease Dowling-Degos disease (DDD) is a type of reticulate pigmentary disorder in which hyperpigmented macules are found in the flexures. Iadvl text book of dermatology, page 737', 'role': 'assistant'}]