You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is An 83-year-old man with poor nutrition notices easy bruising and bleeding gums. On examination, he has inflamed bleeding gums, multiple areas of ecchymoses, and perifollicular hemorrhages. His coagulation profile and liver function is normal.For the patient with vitamin deficiency or excess, select the most likely diagnosis and explain in detail?
Scurvy is characterized by a tendency to hemorrhage and perifollicular hyperkeratotic papules in which hairs become fragmented and buried. Gums are involved only if teeth are present. It can occur in infants 6-12 months of age who are on processed milk formulas, without citrus fruit or vegetable supplementation. The peak incidence in the United States is in poor and elderly people and alcoholics. It is frequently associated with other nutritional deficiencies (e.g., folic acid).