Hypertrophic scarhttps://en.wikipedia.org/wiki/Hypertrophic_scar
Hypertrophic scar is a cutaneous condition characterized by deposits of excessive collagen, which give rise to a raised scar. However, the severity is less than that observed with keloids. Like keloids, they most often form at sites of pimples, body piercings, cuts, and burns. Mechanical tension on a wound may be the primary cause of hypertrophic scar formation.

Hypertrophic scars are red, thick, and may be itchy or painful. The hypertrophic lesions do not extend beyond the boundary of the original wound, but they may continue to thicken for up to six months. Hypertrophic scars usually improve over one to two years, but they may cause distress because of their appearance or intense itching. They can also restrict movement if they are located near a joint.

Ongoing hypertrophic lesions may be treated with corticosteroid injections.

○ Treatment
Hypertrophic scars can improve with 5 to 10 intralesional steroid injections at one‑month intervals.
#Triamcinolone intralesional injection

Laser treatment may be tried for erythema associated with scarring, but triamcinilone injections can also improve the erythema by flattening the scar.
#Dye laser (e.g. V-beam)
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  • Hypertrophic scar ― 4 months after
    References Hypertrophic Scarring 29261954 
    NIH
    Hypertrophic scarring represents an undesirable variant in the wound healing process. Another variant of wound healing, the keloid scar, is often used interchangeably with hypertrophic scarring, but this is incorrect. The excess connective tissue deposited in hypertrophic scarring is restricted to the area within the original wound. The excess connective tissue deposited in the keloid, however, extends beyond the area of the original wound.
     Scar Revision 31194458 
    NIH
    Scars are a natural and normal part of healing following an injury to the integumentary system. Ideally, scars should be flat, narrow, and color-matched. Several factors can contribute to poor wound healing. These include but are not limited to infection, poor blood flow, ischemia, and trauma. Proliferative, hyperpigmented, or contracted scars can cause serious problems with both function and emotional well-being.