The following statement about keloid is true:

Feature Hyperophic Scar Keloid Genetic Not FamilialQ May be familialQ Race Not race relatedQ BlackQ > white Sex Female = male FemaleQ > male Age ChildrenQ 10-30 yearsQ Border Remains within woundQ Outgrows wound area Natural history Subsides with time Rarely subsides Site Flexor surfacesQ Stemum (MCQ), shoulder, face Etiology Related to tensionQ Unknown Develop Within 4 weeks 3Months to years after trauma Symptoms Raised some pruntus Respect wound confines Pain, pruritus, hyperesthesia Growth beyond wound margins Histology Parallel orientation of collagen fibers Thick wavy collagen fibers in random orientation Treatment: Keloid Hyperophic Scar First line: silicone + pressure therapy + I/L inj.Triamcinolone Linear HTS - Pressure therapy (or) Silicone gel sheet Refractory: Excision + Post -op Rth(EB (or) Brachytherapy) Ongoing Hyperophy - Intralesional inj. Triamcinolone > 1 year - Excision + closure