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Dr. Larry Grissom

Radiology
Houston, TX
44 years experience male

Locations

Houston Northwest Radiology Association

Houston, TX

Address

800 Peakwood #5E, Houston, TX
Directions

My office hours

Wednesday: Closed
Show more

Practice website

Insurances accepted

Blue Cross Blue Shield of Texas

Aetna

UnitedHealthcare

Medicare

Office

Houston, TX

About

Bio

30 years experience in women's imaging with emphasis on mammography and breast imaging

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.

Radiology

Doctor Q&A

211 Answers
38 Agrees
The number of answers this doctor has agreed with.
A 34-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Possibly: Caffeine consumption has been linked to breast pain.
A 30-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Need more info: A "4w6days sac" in cervix may be a nabothan cyst in cervix if pregnancy test is negative. I would get repeat ultrasound or serum pregnancy test if yo... Read More
A 31-year-old male asked:
Dr. Larry Grissom
Radiology 44 years experience
Seizure: Brain scarring can cause seizure. An MRI can help your doctor decide what treatment may be needed.
A 27-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Not likely cancer: Breast cancer is rare at age 27, but possible. Ultrasound is diagnostic tool of choice. Most commonly the nodule is a benign growth (fibroadenoma), cy... Read More
A 34-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
No: The exam can answer questions that your symptoms have raised to your doctor, not affecting your ability to conceive
A 43-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
See an oncologist: An oncologist can help decide if the cell type of breast cancer may respond to chemotherapy, as there are several types of breast cancer. Ask if there... Read More
A 47-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
Not MRI for Crohn's: I am unclear what you are asking. Gastroscopy, colonoscopy, or abdominal CT are common diagnostic exams for unexplained abdominal pain.
A 50-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
Yes: A physician's order is needed for an MRI. The physician performs a physical exam and takes a medical history to determine if an MRI is indicated, and ... Read More
A 36-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Yes: The NT mesurements are only valid from the 10th through the 13th week of gestation.
A 33-year-old male asked:
Dr. Larry Grissom
Radiology 44 years experience
Less likely cancer: Reactive indicates that the degree of activity on the pet/ct was in the range of an inflammatory response of a lymph node or nodes, i.e. Some process ... Read More
A 37-year-old male asked:
Dr. Larry Grissom
Radiology 44 years experience
Ignore: Ct screening for lung cancer is not needed if there is no cigarette smoking or asbestos work history.
A 37-year-old male asked:
Dr. Larry Grissom
Radiology 44 years experience
Ignore: If calcified, usually not a worry. If > 8 mm noncalcified and history of smoking recommend pet/ct.
A 39-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
Non surgical : Radiation is directed to the brain by passing the radiation beams through a lead helmet fitted with many holes to precisely target the area needing tr... Read More
A 37-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
No: Lumps arising rapidly may be cysts or hematomas (blood containing masses such as after trauma or a biopsy).
A 37-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
Mammogram & sonogram: Mammogram and ultrasound are first steps. Majority of lumps are cysts , non cancerous glandular tissue or fibrocystic change. Mammogram may or may not... Read More
A 19-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
No: The side effects from the injection for contracting the gallbladder should be gone in a few hours. If you had hida without an agent to contract the g... Read More
A 22-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
See fertility expert: The problem may be you or your partner. There are tests that can determine if you are able to bear children.
A 25-year-old male asked:
Dr. Larry Grissom
Radiology 44 years experience
Yes: The brains of longstanding alcohol abuse patients may reveal diffuse atrophy (loss of brain tissue).
A 50-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Need more info: You are describing how the chest ct was obtained and presented to the radiologist for interpretation. Different windows are settings on the computer t... Read More
A 16-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
May be either: This can only be determined by the neurosurgeon during brain surgery.
A 34-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
Yes?: If by a perm you mean a hair styling requiring adding chemicals to the hair, a thyroid nodule will not be affected.
A 34-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
It depends: Cancer can look different depending on what part of the body that it occurs.
A 30-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
No : Bone density examines whether one needs treatment for osteoporosis which is usually done after age 50. Bone age exam assesses whether a child is devel... Read More
A 47-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Yes: A small amount of bleeding under the skin after injection is not unusual, especially if you have been taking anti-inflammatory medicines, which have s... Read More
A 34-year-old male asked:
Dr. Larry Grissom
Radiology 44 years experience
No: Stroke occurs in the brain. Sciatica refers to irritation of nerves originating in the spinal cord.
A 24-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Maybe: The heartbeat can be detected in 80% of patients at five weeks based on the first day of the last menstrual period. Assuming you ovulated on the 15th ... Read More
A 30-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Not to worry: You had a shield. Modern x-rays are directed only at the area of interest. The radiation that you received was scattered and not harmful.
A 47-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
Need more info: Is what possible? Certain patients are restricted from MRI due to implanted medical devices. The facility where MRI is performed will ask screening qu... Read More
A 44-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
Two different types: Lung cancer patients should have care coordinated by an oncologist. Stroke patients are cared for by neurologists. Rehabilitation after stroke is hand... Read More
A 22-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
maybe you or partner: Tests will need to be performed on each partner to determine if a solution can be reached. Ask your gynecologist or primary care doc for direction. G... Read More
A 45-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
Maybe: The chest x-ray is performed to determine if your symptoms may be due to pneumonia, heart failure, of fluid accumulating in the space around the lung ... Read More
A 42-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
Not commonly: Stage 4 indicates spread of cancer to organs away from the primary tumor site of origin. Treatment of this tumor type is challenging and cures are rar... Read More
A 31-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
Ask your doctor: Cervical MRI is usually interpreted by a radiologist, and the report sent to the doctor that requested the exam ( the referring doctor). The referring... Read More
A 53-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Not to worry: There are several methods of treatment for osteoporosis and osteopenia. Ask your doctor which are best for you. A balanced diet and regular exercise a... Read More
A 22-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Biopsy: Ask your doctor to refer to a breast center where an ultrasound can determine if the tumor is a cyst (fluid) or solid tumor. A cyst can be observed i... Read More
A 26-year-old male asked:
Dr. Larry Grissom
Radiology 44 years experience
Yes: All of those activities could cause wrist pain and ligamentous irritation in a patient with carpal tunnel syndrome. The hand flexors are compromised i... Read More
A 41-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
Not common: Patients that are overweight may limit the visibility of the ovaries, but in the majority of patients, the ovaries can be identified with transvaginal... Read More
A 34-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Okay: The amount of iodine in table salt is not enough to adversely affect your exam.
A 22-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Several causes: Some medications can cause this condition. Check package insert for side effect of galactorhea. Ask your doctor if you need your prolactin level check... Read More
A 23-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
No: An ultrasound is usually obtained to confirm that the pregnancy is in the uterus and the age of the fetus, or the delivery date. The need for follow u... Read More
A 51-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Perception: The radiologist referred to the prominent size of the heart and adjacent structures (cardiac silhouette ) to bring it to the attention of the referri... Read More
A 29-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Likely too early: Yolk sac appears before the embryo ( early developing baby ). Your doctor is getting follow up scan to see if pregnancy is progressing normally.
A 33-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
Lack of hydration: Drink plenty of fluids and eat a well balanced diet including fruits and vegetables.
A 22-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Have heart checked: If chest x-ray normal, at age 22, heart problem is not common but should be addressed.. Anxiety can give similar symptoms, as can asthma, or side effe... Read More
A 44-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
Assess deeper spread: An ultrasound may reveal any more extensive involvement than can be seen during routine gynecological exam.
A member asked:
Dr. Larry Grissom
Radiology 44 years experience
X-ray or CT scan: Stones are of different chemical composition. Whether a stone can be seen on a plain x-ray of the abdomen depends on the size of the stone as well as ... Read More
A 21-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Keep well hydrated: Avoid foods that may favor stone formation.
A 23-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
No: Actual HCG levels are quite variable. Comparing serial values is a common way of assessing if the pregnancy is developing normally.
A 34-year-old female asked:
Dr. Larry Grissom
Radiology 44 years experience
Likely not needed: Current national policy guidelines in the U.S. Recommend first mammogram at 40 years old unless you have mother or sister diagnosed with breast cancer... Read More
A 40-year-old member asked:
Dr. Larry Grissom
Radiology 44 years experience
Fertility expert: A physician specializing in fertility issues can coordinate appropriate tests. For example, a hysterosalpingogram can determine is your Fallopian tube... Read More

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

4
Recommendations
284
Thank you notes
Aug 10, 2013
very helpful!
HealthTap member
Mar 30, 2015
Dr. Grissom is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Grissom is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
This was very helpful. Thanks! I'm in a similar position with swelling around PLSC nodes, sweats, fever, malaise (have just posted question!) but have been told 'ultrasound normal but radiologist want...Read More
HealthTap member
Thx dr, my Emg & ncv test says sensory neuropathy, I have posted another question for tht test result and still waiting for an answer.
HealthTap member
Thank you, your answer was very helpful! I think you are right about pain meds. Hard to go off them!! Thanks.

Education & Training

Medical/Graduate school

University of Texas Medical School at Houston
Graduated 1978MD

Residency

univer of Texas at Houston

Awards

Texas Radiological society - President 2007-08
Top Radiologist, First Place, Texas - Winter
2013
Top Radiologist, Second Place, Texas - Summer
2013
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