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Dr. Brendan Stack jr., md, facs, face

Head and Neck Surgery
Springfield , IL
33 years experience male

Locations

Department of Otolaryngology-Head and Neck Surgery

Springfield , IL

Address

P.O. Box 19662, Springfield , IL
Directions

SIU Otolaryngology-Head and Neck Surgery

Springfield , IL

About

Bio

Currently, Dr. Stack is Professor and Chairman of Otolaryngology-Head and Neck Surgery at the Southern Illinois School of Medicine, Springfield, IL. Dr. Stack has authored over 200 peer-reviewed papers, chapters, books, and internet articles. He has presented at over 300 meetings regionally, nationally, and internationally. He collaborates on grants from the NIH. Dr. Stack has appeared on, or been cited by, local and national media numerous times. He serves on numerous editorial boards. Dr. Stack is listed in Best Doctors of America (since 2006), Guide to Americas Top Surgeons (since 2004), Guide to Americas Top Physicians (since 2009), Castle and Connolly Top Doctors and Cancer Specialists (since 2014), and Top Thyroid Doctors (since 2004).

Specialties
Doctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.

Head and Neck Surgery

Doctor Q&A

223 Answers
76 Agrees
The number of answers this doctor has agreed with.
A member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Medicine for nodule: There are several medicines that might be used for conditions of the thyroid with nodules. If you are hyperthyroid, anti thyroid medicines might be p... Read More
A 50-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Tympanic membrane: It's your eardrum and divides the outer ear from the middle ear.
A 32-year-old male asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Parathyroid surgery: If your calcium is consistently elevated and your PTH is high normal, you likely have an adenoma that would benefit from surgery. Your next step is e... Read More
A 28-year-old male asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Low vit D: If your calcium is borderline hight with a low vitamin d, fix the vitamin D deficiency. This will likely raise the calcium more. This should be done u... Read More
A 29-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Recurrence: Rest assured. It is impossible to say you are cancer free, but that is likely. Here's why: the thyroglobulin level is unreliable because you have an... Read More
A 51-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Don't let it go: A calcium of 10.7 and normal PTH is a type of primary hyperparathyroidism. If your calcium goes up, you PTH should go down yo normalize your calcium. ... Read More
A female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Strophic and hetero: This is a description of a Hashimotos Thyroid gland. This is the most common thyroid condition, most frequent cause of low Thyroid, and could be confi... Read More
A 20-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Surgery hyperthyroid: That T4 is high but with steroids and beta blockers, your surgery could be done, albeit with minimal increased risk of thyroid storm.
A 26-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Likely unrelated: You should pursue gynecological care for the Pap smear. The calcium should be rechecked. If persistently elevated, you should have a biochemical scree... Read More
A 41-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Statistically life : Population studies show an increase risk of cardiac and cerebrovascular events for patients with untreated hyperparathyroidism. These events can incre... Read More
A 28-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
I agree vitamin d: Vitamin D deficiency is the most likely explanation. The second most likely explanation is a failed surgery due to unrecognized double tumor or 4 glan... Read More
A 49-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Yes it is: People die from thyroid cancer. The 10 year survival is about 90%. But people do die and it should be taken seriously. Aggressive thyroid cancers inc... Read More
A 23-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Diffuse echotexture: This is a description of sonography can findings of the thyroid. It means there is a mix of lumps and cysts commonly seen with a degenerating multi no... Read More
A 55-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Forgetting thyroid: The most common thyroid condition which can be related to " brain fog" is Hashimoto's thyroiditis. It will eventually show up on blood test. Look for ... Read More
A 30-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
High calcium.: Chronically elevated calcium from hyperparathyroidism left in treated results in an increased risk of stroke, heart attack, and fractures from osteopo... Read More
A 38-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Parathyroidectomy: There are 3 options: normal, high, or low. Normal is ideal, the surgery was a success. High means the surgery was a failure or there is another caus... Read More
A 41-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
RAI scan and cancer: RAI scans USED to be used to diagnose dancer of the thyroid. This is arcane and has been supplanted by ultrasound guided thyroid needle biopsy. The on... Read More
A 42-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Osteoporosis.: Osteoporosis is demineralization (loss of calcium) of the bone. It comes in two types, osteopenia which is the condition of weakening bone which prece... Read More
A 36-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Heredity and Graves: Graves' disease ruins in some families but can also present spontaneously. In the south, I have noticed is in many African American families.
A 37-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Symptoms: The most common symptom of thyroid nodules is nothing. Less commonly are problems swallowing, breathing, and a racing pulse.
A 32-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Cold nodules: Only 15% of cold nodules are malignant (cancerous). It is an old technology which is not specific. Nodules should be evaluated by ultrasound and need... Read More
A 21-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Cure rate: For an occasional operator, it should be above 80%. For a high volume surgeon, it would be greater than 95%.
A 32-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Thyroid ca stage: If you are under 45, you can only be stage I in the thyroid or II with distant mets to the lungs, etc. Over 45, the staging is more proscriptive. T1... Read More
A 20-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Risks: Thyroid surgery risks are based on the thyroidectomy performed. Hemi (half) thyroid removal has risks of temporary hoarseness, permanent hoarseness, b... Read More
A 40-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Danger signs: The common danger signs after Parathyroidectomy include numbness and muscle cramps from low calcium. That can happen from pre existing bad bone diseas... Read More
A 34-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Calcium is necessary: Calcium is critical for the physiologic functions of enzymes, nerves, and muscles. It is the key constituent of the skeleton. It is the most importan... Read More
A 45-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Hypoparathyroidism : If you are requiring regular calcium and or cholecalciferol to prevent symptoms of low calcium, then you probably have hypoparathyroidism. Did you hav... Read More
A 40-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
HPT: HPT is elevated calcium caused by an excess of parathyroid hormone. The excess hormone comes from a tumor (s) of the parathyroid. The calcium comes fr... Read More
A member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Post op constipation: This come chiefly from narcotics and calcium. Do your best to keep the narcotics to a minimum and transition to a NSAID as soon as you can and your do... Read More
A 58-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Hyperthyroidism: The over production of thyroid hormone by the thyroid gland results in, and is called, hyperthyroidism.
A 66-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
High calcium: Get it re checked. If it comes back elevated again, then get the set of labs: total calcium, ionized calcium, 25 OH vitamin D, intact PTH, and creati... Read More
A 21-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Treatment thyroid: The treatment for thyroid cancer is surgery, followed by radioactive iodine in some cases.
A 47-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Microcalcifications.: These are indicative of papillary thyroid cancer. They represent psamoma bodies within the tumor which are layered calcification. When seen on ultraso... Read More
A 41-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Calcium low PTH high: There is an inverse relationship between calcium and PTH. Assuming your calcium is on a scale where the low cut off is 8.4, your parathyroids are prod... Read More
A 45-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Cause of high Ca: The most common cause of hypercalcemia in an ambulatory patient is hyperparathyroidism. The most common cause in a hospitalized patient would be canc... Read More
A 42-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Safe: Thyrogen is safe. It is recombinant human TSH which you body already has coming from the anterior pituitary. The only risk, which is very low, would b... Read More
A 46-year-old male asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Excess calcium.: If you get more than you need, and your parathyroids are normal, you will urinate or defecate the excess. No problem.
A 38-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Exophytic: This word means sticking out. It is a term to describe a nodule on ultrasound that juts out from the thyroid gland into the surrounding tissue. It may... Read More
A 25-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Post partum: I don't see how thyroiditis would be possible in your case. Maybe the dose of thyroid hormone you are on needs to be changed?
A 46-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
High calcium: If left untreated, your risk of heart attack and stroke are increased. Your bones will lose calcium and become osteoporotic and have risk of fracture.... Read More
A 30-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Causes of Hypercal: Causes are divided into outpatients and in patients. In Outpatients the most common cause is Hyperparathyroidism. In inpatients, the most common caus... Read More
A 29-year-old male asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
High calcium: If you stop taking calcium, it’s effects on your blood calcium would be over in 72 hours, assuming you are well hydrated. If the elevated calcium pers... Read More
A 28-year-old male asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
What’s you 25 OH ?: What is your 25 OH vitamin D level? If it is low, you could be placed on supplementation and that could correct an elevated PTH. If not, you may have... Read More
A member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Bilateral nodules: Consider ultrasound guided biopsy if they are concerning nodules.
A 37-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
FHH: This sounds like a non parathyroid disease called familial hypocalcuric hypocalcemia. This is a kidney problem. The body retains calcium at the kidney... Read More
A 43-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Jaw pain: It is not normal to experience jaw pain on bisphosphonates (bone hardening drugs) and this can be an early warning side of a rare side effect, osteone... Read More
A 41-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
PET scan: Interesting question. I would first pursue genetic counseling. PET is not used for routine thyroid cancer surveillance unless the cancer has lost its... Read More
A female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Under active: About 97% of low thyroid in the US is from Hashimoto's thyroiditis, an autoimmune disease. Thyroid levels could be treated with a thyroid pill. If you... Read More
A 42-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
Calcium 10.3: No it's not the thyroid but might be the parathyroid. Sounds similar because of the name but has a different function.
A 44-year-old male asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 33 years experience
D3 deficiency : It is good to take some vitamin D supplementation if your level is low, with medical guidance. Correcting your deficiency might raise your serum calc... Read More

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Testimonials
Recommendations and Thank you notes are endorsements given from patients or other doctors.

39
Thank you notes
HealthTap member
This was very helpful. Thanks! thanks, i just wish things would show up on bloodwork so i can get some help, im taking kelp right now
HealthTap member
Thank you, your answer was very helpful! Thank you for the explanation!
HealthTap member
Thank you. I just had parathyroid surgery and I appreciate your answe

Education & Training

Medical/Graduate school

Eastern Virginia Medical School, VA
Graduated 1989MD

Residency

University of S. Florida

Awards

"Best Doctors in America"
2001- 2012 Castle & Connolly's America's Top Doctors List (annual)
distinguished service award

Affiliations

American Academy Of Otolaryngology - Head & Neck Surgery
American Thyroid Association
American Head And Neck Society
90,000 U.S. doctors in 147 specialties are here to answer your questions, provide medical advice, write prescriptions, and more.
Answer emailed
in 24 hours or less