This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
True about septal hematoma is -a) Occurs due to traumab) Can lead to saddle-nose deformityc) Conservative treatmentd) May lead to abscess formation 
Select and explain. 
A. acd, B. abd, C. abc, D. ab
B: abd
Answer: B: abd 
Explanation: Septal hematoma

Result from bleeding within the superichondrial plane of the septum
Etiology : Trauma, Bleeding disorders
Treatment : 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.