Bernstein Medical Blog

This page contains all posts in our News, Answers, Video, and Research sections.

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How Many Grafts are in the Typical Donor Strip in an FUT Hair Transplant?

August 16th, 2005

Q: If I had a hair transplant using Follicular Unit Transplantation, how many grafts would be in a 15cm by 1cm donor strip, on average? — J.A. Point Pleasant, N.J.

A: In a person with average donor density there are approximately 100 follicular units per square centimeter. A 15cm long strip would have slightly less than 1500 grafts due to the tapering of the strip ends.

Therefore, in a hair transplant of 1500 follicular unit grafts, one should take out a 17 cm x 1cm strip (that includes the tapered ends). This is 15cm².

Read about the number of grafts in a hair transplant

Does an FUE Hair Transplant Leave a Scar?

August 15th, 2005

Q: Can you shave your scalp after a hair transplant with FUE without noticing scarring in the donor area? — A.A. Bronxville, N.Y.

A: Although there is no line scar in follicular unit extraction, there are tiny round ones. You can clip your hair very short after FUE, however, shaving your head will make the very fine white scarring visible.

There is a Lump Beneath My Donor Area After My Hair Transplant. What Is It?

August 12th, 2005

Q: I have developed a rather large, hard lump beneath the skin at the base of my scalp in the donor area that I first noticed this about two or three weeks after my hair transplant. What is this? — A.R. Bronx, N.Y.

A: You are describing an enlarged lymph node, a condition commonly seen as a normal part of the post-op course following hair transplants.

This is a normal part of healing in response to the surgery. It will resolve on its own in about 3-6 months. It doesn’t require any treatment and it should not be a cause for concern.

Hair Transplant for Thinning Hair on a Crown?

August 11th, 2005

Q: Should you perform a hair transplant on a crown that is just starting to thin? — R.R. Philadelphia, Pennsylvania

A: A “thin” crown should first be treated with Propecia, as it may thicken the hair to a cosmetically acceptable degree without the need for surgery. If Propecia is ineffective in restoring enough hair, then surgical hair restoration can be considered.

Instrumentation for Three-Step Follicular Unit Extraction

August 9th, 2005

Robert M. Bernstein, M.D. Associate Clinical Professor of Dermatology at the College of Physicians and Surgeons of Columbia University in New York Abstract of Dr. Bernstein’s presentation at the International Society of Hair Restoration Surgery, 2005 – Sidney, Australia Biography Robert M. Bernstein, M.D. is Associate Clinical Professor of Dermatology at the College of Physicians […]

Comparison of Different Instruments to Make Recipient Sites: Needles vs. Blades

August 8th, 2005

SUMMARY of Dr. Perez-Meza’s Abstract from his presentation at the International Society of Hair Restoration Surgery, 2005 – Sidney, Australia

There have been great advances in hair restoration surgery over the past decade. New surgical techniques, instruments and medications have been developed to treat patients with hair loss. Some surgeons use needles to create the recipient sites and others use blades – both groups obtaining great results. There is some controversy, however, about the “ideal” instrument to make the recipient sites.

The objective of this study was to evaluate three different blades and three different needles used to make sites in the recipient area and to compare the wound healing and hair growth after the hair transplan

5 alpha-Reductase Inhibition in Hair Growth

August 8th, 2005

SUMMARY of Dr. Epstein’s Abstract from his presentation at the International Society of Hair Restoration Surgery, 2005 – Sydney, Australia

Dihydrotestosterone (DHT) is known to be the more potent androgen in both Benign Prostatic Hyperplasia (BPH) and in Androgenetic Alopecia (AGA). Testosterone is converted to DHT by the enzyme 5-α reductase in several organs including the prostate, hair follicles, skin, liver and sebaceous glands. 5-α reductase exists in two isoforms: type 1 and type 2. Type 2 is the predominant enzyme in prostate and hair follicles. Finasteride, approved in 1992, inhibits the type 2 isoenzyme, and is available in two doses: 1mg dose for AGA, and 5mg for BPH. Dutasteride, approved in January 2003 to treat BPH, is a dual inhibitor of both isoenzymes.

Follicular Unit Growth at Four Different Hair Transplant Densities

August 8th, 2005

SUMMARY of Dr. Beehner’s Abstract from his presentation at the International Society of Hair Restoration Surgery, 2005 – Sidney, Australia

There is a need to find the “threshold” density at which follicular unit (FU) graft recipient sites may be placed and yield excellent survival following a hair transplant. It also needs to be determined whether or not a smaller recipient site makes a difference in graft survival. This study looks at hair survival in two patients 18 months after they were each transplanted with four different densities.

The objective of the study was to determine the optimal density for “dense packing” FU grafts without causing loss of hair from vascular compromise or other factors that can affect graft growth during hair restoration surgery.

Solution to Decrease Swelling after a Hair Transplant

August 8th, 2005

SUMMARY of Dr. Abbasi’s Abstract from his presentation at the International Society of Hair Restoration Surgery, 2005 – Sidney, Australia

Edema of forehead and peri-orbital area is observed frequently after a hair transplant. To prevent this edema the authors introduced a new method (Abassi’s solution) at the 12th Scientific Meeting of ISHRS in Vancouver, Canada. The present study tries to determine if Abbasi’s solution can have a negative effect on the growth of transplanted grafts following hair restoration surgery.

In this study, the authors examined the effects of Abbasi’s solution on hair growth one year after a hair restoration procedure.

Hair Curvature: An Important Factor for a Natural Looking Hairline

August 1st, 2005

SUMMARY of Dr. Mohmand’s Abstract from his presentation at the International Society of Hair Restoration Surgery, 2005 – Sidney, Australia

The objective of this presentation is to share our experience and observations regarding the importance of the angle of curvature of the hair shaft during the hair transplant for producing a natural looking hairline.

Four important factors were kept in mind while performing the hair transplant regarding the natural looking hairline: 1) Avoidance of a straight line, 2) Keeping a transition zone between the bare forehead and the dense packing, 3) Density, 4) The acute angle of exit from the skin, 5) The angle of curvature of the hair shaft.

In our experience, since incorporating the angle of curvature of the hair shaft, the naturalness of the hairline has improved significantly. This is especially true for the frontal hair rows and the temporal peaks.

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Bernstein Medical Blog

How Many Grafts are in the Typical Donor Strip in an FUT Hair Transplant?

Does an FUE Hair Transplant Leave a Scar?

There is a Lump Beneath My Donor Area After My Hair Transplant. What Is It?

Hair Transplant for Thinning Hair on a Crown?

Instrumentation for Three-Step Follicular Unit Extraction

Comparison of Different Instruments to Make Recipient Sites: Needles vs. Blades

5 alpha-Reductase Inhibition in Hair Growth

Follicular Unit Growth at Four Different Hair Transplant Densities

Solution to Decrease Swelling after a Hair Transplant

Hair Curvature: An Important Factor for a Natural Looking Hairline

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