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 This specific sign is seen in: and explain in detail?
Rain drop Pigmentation- Brownish pigmentation present on palm and trunk. It occurs in chronic Arsenic Poisoning. Chronic arsenic Poisoning- Skin- Rain drop pigmentation, Hyperkeratosis of palms and soles. Nails- Aldrich mees lines. Sensory neuropathy Black foot disease (Gangrene of peripheries) Tests done for diagnosis of Arsenic Poisoning- Marsh test Reinsch test NAA AAS