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Alopecia areata causes hair loss due to an immune attack on hair follicles, influenced by genetics and environment.

Methotrexate can temporarily suppress certain immune responses without killing immune cells, potentially helping treat autoimmune diseases.

Various techniques and tools for hair restoration were presented in 1998, including a mathematical model for donor area, use of lasers in surgery, methods for controlling grafted hair direction, and ways to increase graft yield. Satisfaction rates were around 39%, and studies showed trauma and dehydration can damage hair follicles.

The sharp implanter method for hair graft placement is simpler and faster, allowing for dense packing of grafts with natural results.

Hair transplantation is beneficial if the right patients are chosen and the procedure is done carefully.

595 nm pulsed dye laser is a cost-effective treatment for nonmelanoma skin cancer with a low recurrence rate.

The ARTAS robotic system for hair restoration is efficient with fewer cuts than manual methods, but it's limited to certain hair types and can still leave scars.

Teriflunomide often causes mild to moderate hair thinning and loss in MS patients, which usually improves with or without treatment.

Tapinarof cream at 1% concentration is effective and better tolerated for treating atopic dermatitis than the 2% concentration.

An intact skin barrier is crucial to prevent infection in cases of tether-induced tenosynovitis.

Surgical methods for hair loss due to scarring should be chosen based on the size, location, and shape of the area, with most patients seeing good results.

Using thigh skin, doctors successfully rebuilt a woman's scalp after removing a large tumor, with no tumor return after 8 months.

Obesity can worsen wound healing by negatively affecting the function of stem cells in fat tissue.

Using lyopreserved umbilical tissue allograft may improve healing and reduce recurrence of pilonidal cysts.

Hair restoration techniques like follicular unit transplant surgery and follicular unit extraction are effective, with ideal graft placement density between 20-30 units per cm². Medications like Minoxidil and Finasteride can help maintain and regrow hair.

Follicular Unit Extraction (FUE) is a hair transplant method with less scarring and discomfort but requires skilled surgeons and has limitations on graft numbers per session.

The document details hair transplantation techniques and innovations, highlighting Follicular Unit Transplantation as the standard and discussing the effectiveness and challenges of the procedure.

Follicular Unit Extraction (FUE) hair transplant is less invasive, leaves no scars, and has quicker recovery times, but it's more time-consuming and challenging. Automation helps speed up the process and improve graft survival, reducing the need for traditional strip surgery.

The technique of transplanting micrografts in hair restoration surgery is fast, practical, and efficient, minimizing damage to follicles and grafts.

Micrografts and minigrafts for hair restoration provide high patient satisfaction and can cover large areas of hair loss, including sideburns, eyebrows, and beards.

Transplanting hair from the nape and around the ear to the hairline and temples generally satisfies patients and looks natural.

Hair transplantation techniques have improved over 12 years, with follicular unit grafting providing more natural results and potential future advances in automation and genetics.

The document suggests that for better patient satisfaction in hair transplants, high-quality photos are needed, and using a narrow donor strip might lead to fewer grafts and dissatisfaction, but filling the scar with FUE grafts and using tranexamic acid can improve results.

Optimal storage solutions and effective additives are crucial for improving the survival of hair transplant grafts.

Hair transplant using beard hair made acne scars on cheeks less visible with minimal scarring in the donor area.

PRP preservation improves hair transplant results better than saline.

The dermal regeneration template is effective in skin regeneration, reducing scarring, and has potential for future improvements.

The conclusion is that careful planning and technique in hair transplant surgery are crucial for successful graft harvesting and minimizing scars, with proper aftercare to avoid complications.

Female donor to male recipient sex mismatch and positive ACA-IgG are key risk factors for vitiligo and alopecia areata in chronic GvHD patients.

Minoxidil is the only FDA-approved topical drug for treating male or female pattern hair loss, and other medications like finasteride and dutasteride can also increase hair growth.