How accurate are rice sizers and how much “shrinkage” from sub-pectoral placement? (photos)

Question

I used rice sizers for 375cc and they look plenty big to me—almost too big. Would 400cc under the muscle look similar to 375cc sizers? Would a mod+ implant make them appear slightly smaller? I need ~400cc to fill out some loose skin from breastfeeding but my breasts are not otherwise in need of a lift or skin removal. I just don’t want them to look bigger than the photos here (375cc rice sizers).

Daniel Barrett, MD · Answer

Dear Christina15256,
Breast implant type and sizing selection is a complicated process and requires a detailed consultation that includes a discussion of your goals, a detailed examination, and a lengthy discussion. But the decision will always start and end with the patient. 
  
When it comes to sizing, we have all of our patients find 3 photos of their desired breast size. We ask for naked breast photos because clothing can obscure the true size (push up bras). Next, we consult with patients and go over the photos and take detailed breast measurements during a physical exam. Next, we using a sizing algorithm to determine a range of implants that will work based on the exam and the measurements.
 Lastly, during the operation, we use silicone sizers in the operating room to see how the size actually looks in the breast. We sit the patient up in the operating room, while asleep of course, and compare the sizer result with their desired look photos. If it is too small, we start the process over with a slightly larger implant. We don't stop until we get the perfect match.
 Of all of my breast augmentation patients, every one of them has been happy with their size due to this detailed and meticulous process. You don't want to invest time and money into a result that is either too big or too small.
 You should discuss your concerns with a board-certified plastic surgeon and make sure that your surgeon understands your goals.

Daniel Barrett, MD
Certified, American Board of Plastic Surgery
Member, American Society of Plastic Surgery
Member, American Society of Aesthetic Plastic Surgery

Farbod Esmailian, MD · Answer

Thank you for the photos.  The rice test is a nice start, but there is a bit more that goes into sizing my patients.  We use the rice test, photos, diagrams, measurements and exam as well as in office sizing.The rice test is just one part of many things we look at to get to the point of where the patient wants to be.I would recommend you see a board certified plastic surgeon that spends a great deal of time sizing you for the look you are trying to achieve.Hope that helps.

Donovan Rosas, MD · Answer

Patients often think in terms of cup size when considering augmentation. Unfortunately, devices are sized in terms of milliliters (cc) of volume. This can lead to some confusion when sizing. Additionally, it is important to remember that cup size itself is not standardized with variations from one manufacturer to another. Unfortunately, as many women can attest their cup size in an industry leader such as VS is not necessarily transferable to another brand.
Another point which is often under appreciated is that of anatomy and starting point. Any implant will add volume to the volume which is already present. The implant is additive. A particular volume will not necessarily confer the same cup size to different patients (often times it will not even confer the same cup size to different breasts in the same individual...remember they are "sisters" not "twins"). 
A general rule of thumb is that 125cc can represent somewhere between 1/2 to a full cup size increase. Smaller volume differentials (25-50cc) are typically less consequential representing a volume change of less than a shot glass. However, I have found these numbers, at least anecdotally, to be of little help. Patients often present with notions/goals which do not correlate with these sorts of sterile volumetric assessments.
When sizing patients, there are a number of useful tools including:
-3D imaging (has the added benefit of offering a volumetric analysis of the pre-operative breast)
-Breast sizers (rice bags)
-Goal photos
I also recommend that patients commit to a particular look rather than a cup size. Once a patient settles on a look that pleases them the overall cup size increase becomes less relevant.The key to obtaining a natural result is to stay within the parameters defined by your BWD. 
And most importantly...remember to love the look...not the cup.

With regards to your particular question, all sizers are meant to give an approximation of the final look. They are best used to estimate volume as shape and projection can change due to overlying tissue pressures (most often a slight loss in projection). I would not struggle with a 25 cc differential as this is unlikely to play a significant role.
As always, discuss your concerns with a board certified plastic surgeon (ABPS).

Donovan Rosas MD
Board Certified by the American Board of Plastic Surgery
Member: American Society for Aesthetic Plastic Surgery, American Society of Plastic Surgeons
RealSelf Top 100
RealSelf Hall of Fame

Tom J. Pousti, MD · Answer

Thank you for the question.
There are several steps taken to select a specific size/profile breast implant for a specific patient.  Generally speaking, although useful as rough guidelines and as communication tools, all the modalities currently used to predict what breast implant size/profile will best achieve a patient's goals with breast augmentation are NOT very accurate, in my opinion. The use of the rice test, sizers placed beneath a patient's bra, goal pictures, computer imaging technology… are all useful, but not necessarily as accurate as one would hope.
In my opinion, nothing will replace careful verbal and visual aid assisted preoperative communication with your plastic surgeon, preferably in front of a full-length mirror along with the use of as many "communication" tools” listed above.
In my practice, I use all of the above modalities and then use intraoperative temporary sizers to help determine the best breast implant size/profile to achieve a patient's specific goals as closely as possible. For this reason, I think it is helpful to have the entire range of breast implant sizes/profiles available in the operating room.
Achieving realistic expectations prior to proceeding to the operating room is also an important part of the preoperative communication process. Patients should be aware that the results of their breast augmentation will not necessarily match exactly what they are visualizing with anyone of the above-mentioned communication tools.Also, in my opinion, it is not possible to accurately determine how many ccs (if any) a patient would “lose” when undergoing sub muscular breast augmentation surgery. I suggest patients do not make decisions based on statement such as: “you will lose 25 or 50 cc of volume when breast implants are placed under the muscle”. These statements are simply not reliable enough to utilize clinically. 
 
 
Generally speaking, the best online advice I can give to ladies who are considering breast augmentation surgery ( regarding breast implant size/profile selection) is:
1. Concentrate on choosing your plastic surgeon carefully. Concentrate on appropriate training, certification, and the ability of the plastic surgeon to achieve the results you are looking for. Ask to see lots of examples of his/her work.
2. Have a full discussion and communication regarding your desired goals with your plastic surgeon. This communication will be critical in determining breast implant size/type/profile will most likely help achieve your goals. 
In my practice, the use of photographs of “goal” pictures (and breasts that are too big or too small) is very helpful. For example, I have found that the use of words such as “natural” or  "C or D cup" etc means different things to different people and therefore prove unhelpful.
Also, as you know, cup size varies depending on him who makes the bra; therefore, discussing desired cup size may also be inaccurate. Again, the use of computer imaging has been very helpful during the communication process, in our practice.
3. Once you feel you have communicated your goals clearly, allow your plastic surgeon to use his/her years of experience/judgment to choose the breast implant size/profile that will best meet your goals. Again, in my practice, this decision is usually made during surgery, after the use of temporary intraoperative sizers.
I hope this helps. Best wishes for an outcome that you will be very pleased with.

Johnson C. Lee, MD · Answer

Thank you for your photos. Rice sizers are helpful but not entirely accurate because there is no shape. The overall volume is correct, but the projection, cleavage, and height of the breast will not be shown by the rice. In my office, I use a sizing kit with breast molds which go over your existing breast to mimic the slope, cleavage, and size of your breasts. You are correct that implants under the muscle will appear slightly smaller due to the muscle compression. I would say it a 25cc decrease is reasonable to expect when placing the implant below the muscle compared to above. Hope this helps!Johnson C. Lee, MD
Board-Certified Plastic Surgeon

How accurate are rice sizers and how much “shrinkage” from sub-pectoral placement? (photos)

Answers (7)

Answer: How accurate are rice sizers and how much “shrinkage” from sub-pectoral placement?

Answer: How accurate are rice sizers and how much “shrinkage” from sub-pectoral placement?

Answer: Sizing for implants

Answer: Sizing for implants

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How accurate are rice sizers and how much “shrinkage” from sub-pectoral placement? (photos)

Answers (7)

Answer: How accurate are rice sizers and how much “shrinkage” from sub-pectoral placement?

Answer: How accurate are rice sizers and how much “shrinkage” from sub-pectoral placement?

Answer: Sizing for implants

Answer: Sizing for implants

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Everything you need to know about Breast Implants

Our mission is to create a world where every investment in modern beauty is Worth It.