<prompt> True about septal hematoma is -a Occurs due to traumab Can lead to saddle-nose deformityc Conservative treatmentd May lead to abscess formationacdabdabcab  <response>: Septal hematomaResult from bleeding within the superichondrial plane of the septumEtiology : Trauma, Bleeding disordersTreatment : Early surgical drainage by giving a horizontal incision at septal base and a tight intranasal packing to prevent reaccumulation.Complication :Large haematomas if not drained may lead to saddle nose deformity and retraction of columella due to absorption of cartilage.Infection can occur in the hematoma leading to abscess formation. 