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

Head and Neck Surgery
Springfield , IL
34 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 32-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 66-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 21-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
Cure rate: For an occasional operator, it should be above 80%. For a high volume surgeon, it would be greater than 95%.
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old male asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old male asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
Exophthalmos: Bulging eyes is a symptom of Graves Disease. This is autoimmune hyperthyroidism. The autoantibodies cross tear with proteins in the eye muscles and b... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
Non toxic MNG: You should have an ultrasound. If any nodule is larger than 1 cm and has suspicious sonographic features, it should have an us guided fine needle biop... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 21-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
Treatment thyroid: The treatment for thyroid cancer is surgery, followed by radioactive iodine in some cases.
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
Bilateral nodules: Consider ultrasound guided biopsy if they are concerning nodules.
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 58-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
Hyperthyroidism: The over production of thyroid hormone by the thyroid gland results in, and is called, hyperthyroidism.
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
Symptoms: The most common symptom of thyroid nodules is nothing. Less commonly are problems swallowing, breathing, and a racing pulse.
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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.
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
Bulging eyes: The underlying cause needs to be diagnosed. It is often Graves' disease or autoimmune hyperthyroidism. The Graves disease needs to be treated prior to... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 43-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
Low PTH high calcium: You need o have this investigated. The PTH is low because your calcium is high. The reason for the high calcium needs to be investigated including die... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old male asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 49-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
High calcium: With the labs you report, regardless of the vitamin d, you likely have primary hyperparathyroidism. You could get a 24 hr urine calcium to be sure.
Created for people with ongoing healthcare needs but benefits everyone.
A 21-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
Fat malabsorption: If you have a problem absorbing fats, you will have a problem absorbing fat soluble vitamins, A, D, E, K. Conversely, if you take too much of these, ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 35-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
Diagnosed with HPT: If your diagnosis comes from or is confirmed by an endocrinologist, and you meet surgery criteria, and most do, then you need to be referred to a comp... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 61-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
Yes: The excess calcium in your blood is coming from your bones. The PTH is low indicating your parathyroids are suppressed, which is an appropriate respo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
High calcium: Have you been tested for hyperparathyroidism? It’s easy to do but many generalist don’t think about it first. Ask you doctor to simultaneously test c... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 49-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 26-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
Thyroid check: It's very likely you have a thyroid because not having one is incompatible with life. The two easiest and cheapest ways to check it are labs (T4, TSH)... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old male asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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.
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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.
Created for people with ongoing healthcare needs but benefits everyone.
A 27-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
RAI: The RAI dose is directed by post operative risk stratification based on tumor size, margins, and cell type. This can be found in the #ATA 2015 Thyroid... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old male asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
Calcitriol: Calcitriol is also called rocaltrol or 1,25 fi hydroxyl vitamin D. This is a potent pharmaceutical and is fat soluble. That means it can accumulate in... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
Recurrent HPT: You have Hyperparathyroidism again. I would see an experienced endocrine or head and neck surgeon who will confirm the diagnosis, order appropriate i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old female asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 years experience
PTH.: Numbers less that 12 mean low or hypoparathyroid. Numbers above 65 or 88 (depending on the lab) mean high or hyperparathormonemia. High PTH does not a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 47-year-old member asked:
Dr. Brendan Stack jr., md, facs, face
Head and Neck Surgery 34 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
Created for people with ongoing healthcare needs but benefits everyone.

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

41
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
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