A six year old boy presents with echymoses and petichiae all over the body 2 weeks after an upper respiratory tract infection Abdominal examination is unremarkable with no hepatosplenomegaly All of the following statements about the affecting condition are true Except:
Bleeding into the joints is a common manifestation Bone marrow will show increased megakaryocytes Platelet count is decreased Condition resolves spontaneously in 80% of patients in 2 to 6 weeks