Can schamberg's disease be diagnosed without biopsy?

Yes : Schomberg's disease is a blood disease charge theorized by low platelets .- the little cells seen on your blood count responsible for the formation of the blood clot . This diseas is associated with superficial bleeding in the eye and some bleeding under the skin . Sometimes a bone marrow biopsy may need to be done to Rule out other blood diseases . Hope this helps .

No really: This disease also know as progresive pigmentary dermatosis is the most common cause of capillaries so the clinical picture of this pigmented purpuric dermatosis help whoever the only way to get a correct diagnosis is for Biopsy in the skin