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Dr. Sean Williamson

Pathology
Detroit, MI
13 years experience male

Locations

Office

Detroit, MI

Address

2799 W Grand Blvd, Dept of Pathology, Detroit, MI
Directions

About

Bio

Urologic surgical pathologist with special interest in tumors of the kidney

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.

Pathology

Languages spoken

English

Doctor Q&A

87 Answers
120 Agrees
The number of answers this doctor has agreed with.
A 36-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Unpredictable: Kidney cancers can be unpredictable in their growth and spread. In studies where tumors have been monitored and not removed, the overall size on x-ray... Read More
A 38-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Depends: If you mean a lump inside the scrotum on the testis, there are multiple possibilities including hydrocele, spermatocele (if it truly is a cyst or flui... Read More
A 42-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
It's complex: Lymph node biopsies often require additional types of testing compared to other biopsies. In addition to looking at the cells under the microscope, th... Read More
A 41-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Usually not: Usually biopsies are not performed on the ovary. Rather if there is a cyst or mass that is suspicious, it will usually be removed entirely, either wit... Read More
A 47-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
It could: It could. Ultrasound can detect some kidney tumors; however, the most common method to evaluate kidney tumors is ct scan. Often a ct scan will demonst... Read More
A 40-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Cell size and shape: When a clear cell renal cell carcinoma is removed, the cells are examined under the microscope by a pathologist. Grade 1 means that the nuclei (which ... Read More
A 43-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Varies: Many prostate cancers are low grade and unlikely to spread. In fact, if the prostate glands of older men who die of other causes are examined, many ca... Read More
A 40-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Relatively uncommon: Kidney cancer is uncommon in young patients (such as under 40 years of age) but it does sometimes occur. Some patients with family history of kidney ... Read More
A 44-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Not really: Although HIV has its effects on white blood cells, there would not be specific findings in the CBC test to diagnose it. The virus is much too small to... Read More
A 40-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
"Young" cells: White blood cells help the body fight infections. Left shift is a term used to indicate that some of the white blood cells are not fully mature, often... Read More
A 35-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Depends: It depends what you mean by treatment. A diagnosis of cancer is usually not confirmed until the testis has been removed. Sometimes no treatment is a r... Read More
A 46-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Usually a few days: Slides are usually ready for the pathologist to examine the next day or so after the biopsy. Depending on whether additional tests need to be performe... Read More
A 38-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
It shouldn't: Although the Mirena (levonorgestrel) intrauterine device releases hormones somewhat similar to a pregnancy and may stop a patient from having menstrua... Read More
A 46-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Sometimes: Sometimes kidney tumors can occur in both kidneys. Often the second tumor is not related to the first (not recurrence or metastasis). In some cases, t... Read More
A 42-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Varies with stage: Fortunately many renal cell carcinomas are now being diagnosed at an early stage (when the tumor is small and doesn't invade any other structures) tha... Read More
A 25-year-old female asked:
Dr. Sean Williamson
Pathology 13 years experience
Uncommon: Young patients do sometimes develop lymphoma. However, if you do not have symptoms or a reason to suspect lymphoma, the likelihood for any one person ... Read More
A 84-year-old male asked:
Dr. Sean Williamson
Pathology 13 years experience
Many ways: There are many ways to test for cancer, although finding the optimal test for each particular cancer type is quite challenging. For most cancers there... Read More
A 30-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Depends: It is not possible to test randomly for any and all types of cancer. However, if you are experiencing symptoms, it is certainly worth seeing a doctor.... Read More
A 40-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
No: It sounds like this wording comes from the diagnosis of a biopsy specimen. If so, it does not suggest that any cancer was found.
A 35-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Bladder: It is theoretically possible; however, bladder cancer is highly unusual in a patient 35 years of age. There are many other more common causes of const... Read More
A 48-year-old female asked:
Dr. Sean Williamson
Pathology 13 years experience
Basal cell: Basal cell carcinoma is technically a type of skin cancer. However in comparison to melanoma, the more dangerous type of skin cancer, basal cell carci... Read More
A 30-year-old male asked:
Dr. Sean Williamson
Pathology 13 years experience
Many: There are many different types of cancers that can develop from many different organs. Some of the general categories are carcinomas (cancers of epith... Read More
A 39-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Depends: It depends if and where the cancer has spread. Sometimes even though the cancer has spread widely, there is still a great chance of cure with modern c... Read More
A 26-year-old female asked:
Dr. Sean Williamson
Pathology 13 years experience
Any adenoma?: Sometimes there are normal findings identified at colonoscopy that can form a small bump resembling a polyp. These will often be removed to make sure ... Read More
A 40-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Also: It can be serious. In addition to what others have said, these tumors were originally named synovial sarcomas since they occur near joints. However, t... Read More
A 37-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Prostate cancer: Prostate cancer is one of the most common cancer types. If the prostate glands of older men who died of other causes are examined, many can be found t... Read More
A 39-year-old male asked:
Dr. Sean Williamson
Pathology 13 years experience
Glands: The prostate is composed of glands that produce secretions for ejaculation. Prostate cancer is an uncontrolled proliferation of these glands often inv... Read More
A female asked:
Dr. Sean Williamson
Pathology 13 years experience
Not always: In addition to kidney cancer, there are a few types of benign (noncancerous) tumors that form a solid nodule in the kidney, such as angiomyolipoma or ... Read More
A 55-year-old female asked:
Dr. Sean Williamson
Pathology 13 years experience
Chromophobe: Chromophobe renal cell carcinoma makes up a small percentage of kidney cancers (about 5%). It is named that -"chromo" = color or stain and "phobe" = f... Read More
A 38-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Basal cell: Basal cell carcinoma is technically a type of skin cancer. However in comparison to melanoma, the more dangerous type of skin cancer, basal cell carci... Read More
A 38-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Age: If you are only 39 years old, then your daughter must be quite young. There are some unique types of renal cell cancers that preferentially occur in y... Read More
A 41-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Yes: Cancers of kidney tubular cells are called renal cell carcinomas (rccs). Of these, the most common type is clear cell rcc. Less common types of rcc in... Read More
A 38-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
It depends: It depends on the type of tumor. "urothelial" tumors in general are prone to recur over time with the exception of urothelial papilloma, which usually... Read More
A 34-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Blood: Blood in the urine and other symptoms related to urination are the most common symptoms of bladder cancer. However, it is also important to keep in mi... Read More
A 48-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Cancer types: There are many different types of cancers that can develop from different organs. Some of the general categories are carcinomas ;#40;cancers of epithe... Read More
A 40-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Yes: An unusual feature of renal cell carcinoma is that it sometimes metastasizes to unusual locations such as the skin. However, there are many other caus... Read More
A 26-year-old female asked:
Dr. Sean Williamson
Pathology 13 years experience
Preliminary: The data in this study were very preliminary. Whether or not the patients were taking fish oil supplements was not even measured in the study (only bl... Read More
A 34-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
It might: Ultrasound is one of the techniques that can be used to evaluate a kidney tumor or abdominal pain in general; however, the most commonly used method t... Read More
A 40-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Prob. normal range: White blood cells are present in the bloodstream to help fight infections. Very high or very low levels can be due to infections or sometimes cancers,... Read More
A 33-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
No smoking: Smoking is a major risk for multiple types of cancer, not just lung cancer, so avoiding smoking is a great step. Other factors include a healthy diet ... Read More
A 46-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
It's possible: Particularly for melanoma, one of the more aggressive types of skin cancer, tumors can sometimes occur in various areas of the body relatively far awa... Read More
A 37-year-old female asked:
Dr. Sean Williamson
Pathology 13 years experience
X-ray: In the past, most kidney cancers were detected at a high stage or late stage (the cancer has grown large and invaded other structures) and therefore t... Read More
A 35-year-old female asked:
Dr. Sean Williamson
Pathology 13 years experience
Yes: Some patients develop multiple tumors in the same kidney (if the first was removed by partial removal of the kidney) or in the opposite. Often the sec... Read More
A 45-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
It shouldn't : In one way, having the same blood type is good for pregnancy. If the mother has a negative blood type and the father has a positive blood type, the mo... Read More
A 36-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Cystitis cystica: Cystitis cystica is a benign (noncancerous) change that is thought to be a reaction to irritation and not a specific disease of its own. Sometimes it ... Read More
A 41-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
Often 1-2 days: Usually one set of microscopic slides is prepared right away and a second set is prepared using a different method overnight. Your pathologist will lo... Read More
A 22-year-old female asked:
Dr. Sean Williamson
Pathology 13 years experience
Solid vs not: A cyst is a hollow space, usually filled with fluid. Tumor is a nonspecific term that refers to any lump. So, tumors can include cancer, other lumps, ... Read More
A 24-year-old male asked:
Dr. Sean Williamson
Pathology 13 years experience
Often none: Often prostate cancer has no symptoms and it is detected by screening patterns age 40-50 and older. It would be very unusual to have prostate cancer a... Read More
A 33-year-old male asked:
Dr. Sean Williamson
Pathology 13 years experience
Depends: It depends what you mean by treatment. A diagnosis of cancer is usually not confirmed until the testis has been removed. Sometimes no treatment is a r... Read More
A 41-year-old member asked:
Dr. Sean Williamson
Pathology 13 years experience
X-ray: In the past, most kidney cancers were detected at a high stage or late stage (the cancer has grown large and invaded other structures) and therefore t... Read More

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

5
Recommendations
60
Thank you notes
Nov 20, 2013
Great doc helpful answers. Thank you!
Sep 8, 2013
Thorough and compassionate answers.
HealthTap member
Sep 9, 2013
Thank you for your reply about 28yo non smoker with bladder cancer,aircraft engineer
HealthTap member
Thank you, your answer was very helpful! Thanks doctor it help me out a hole lot
HealthTap member
I am having a second biopsy after three courses of antibiotics. Tc. ♥️
HealthTap member
Thank you, your answer was very helpful!

Education & Training

Medical/Graduate school

Temple University School of Medicine, PA
Graduated 2008MD

Residency

INDIANA UNIVERSITY HEALTH

Awards

Thought Leader, Third Place, Detroit Region, MI - Summer
2013
Top Pathologist, First Place, Michigan - Summer
2013
HealthTap Founding Doctor

Affiliations

United States and Canadian Academy of Pathology
American Society for Clinical Pathology
Fellow, College of American Pathologists
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