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Aesthetics Practice Today

Anterior and Posterior Axillary Fat Pad (Armpit Fat)

Published October 7, 2014 3:23 PM by Mina Grasso
Wardrobe frustrations and an endless search for the perfect bra, spanx or other compression material to conceal fat bulges around the bra go on. A particularly challenging fat bulge is the anterior and posterior axillary fat pad area (armpit fat). This fashion-limiting issue is something that many patients often demand a solution for.

Injectable RF (radiofrequency) using a procedure called Thermi-Tight may be a promising solution for those frustrated with the unwanted bulges and skin laxity.

This injectable RF procedure is a minimally invasive procedure that requires local anesthetic into the area to be treated. A small probe the size of short thin spaghetti is inserted under the skin into the fat. The tip of the probe gradually heats the deeper fat to approximately 70° C. At this temperature, you can actually hear the popping of fat cells as apoptosis occurs. Some practitioners choose to do liposuction instead of or in addition to melting fat with the RF probe.

After the fat is treated, the probe is directed closer to the subdermal layer and slow radial movements are made under the skin, treating a small zone, while attempting to maintain temperatures around 60°-65° C for approximately 10 minutes which promotes skin tightening. As the probe moves through the skin, you are able to see temperature reading through a digital monitor. In addition, a thermal camera is used to monitor the external skin temperature while a light spectrum shows various temperature range (coolest to hottest zones) during the treatment. The hottest spot is highlighted and the monitor has a digital display of average temperature of the zone being treated externally. The goal is to maintain the external temperature to approximate 42°-45°C. The practitioner and the circulating assistant can safely monitor the temperature and minimize damage to the tissue.

A compression garment is usually recommended for 72 hours. Swelling is to be expected as well as some bruising for a few days. Most patients resume regular activities in a couple days. Skin tightening is expected to gradually progress 3, 6, 9 and even up to 12 months.

Practitioners are happy with being able to deliver higher energy levels for more efficacy, while having safety in the temperature control. Patients treated for armpit fat are highly satisfied and are freer to wear straps, strapless or sleeveless fashion.


What are the risks associated with this procedure?  Also, I would like to know the cost for this procedure.

Thank you.

Elva Santoyo October 21, 2014 1:23 AM

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About this Blog

    Occupation: Physician Assistant/Nurse Practitioner
    Setting: Miami & Upland, Calif.
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