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 Palpable pupura is seen in all conditions except and explain in detail?
C i.e. Gaint cell aeritis - Nonpalpable purpura is seen in clotting disturbances like ITPQ and platelet/ clotting factor defect; in thrombi formation like TTP, DIC, warfarin or heparin induced reaction; in increased vascular fragility like amyloidosisQ, scurvy & Ehlers-Danlos syndrome. Steroid purpura & capillaritisQ also produce nonpalpable purpura. Palpable purpura is seen in small vessel (or leucocytoclastic) vasculitis like Wegner's granulomatosis, Henoch Scholein Purpura, Churg Strauss syndrome, microscopic polyangitis (polyaeritis), essential cryoglobulinaemiaQ, cutaneous leucocytoclastic vasculitis ( hypersensitivity angiitis or cutaneous necrotizing venulitis mainly affecting cutaneous post capillary venules), drug induced leucocytoclastic vasculitisQ and serum sickness like reactionQ.