Locations
Office
Wynnewood, PA
About
Bio
Chairman – Department of Radiology - Main LIne Health System
President – Radiology Associates of the Main Line
Clinical Professor of Radiology Thomas Jefferson University
Sensei / Black Belt - Ukidokan Karate
SpecialtiesDoctors 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.
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
Languages spoken
English
Doctor Q&A
114 Answers
87 Agrees
The number of answers this doctor has agreed with.
A 46-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
Likely - see ans.: You likely will be fine – that said, the theoretical concern is that iodinated contrast could impair renal function and therefore you could not approp... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 42-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Adenomyosis is most commonly suggested by endovaginal us, but MRI is often used for confirmatory diagnosis.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
May be hyperthyroid: Normally it should be 30% or less at 24 hr
see an endocrinologist to evaluate hyperthyroidism.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 41-year-old member asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
Talk to Dr: You should discuss the MRI results with your clinical dr and have the results placed in clinical perspective.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A male asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: A baker’s cyst is a posterior medial knee protrusion of the joint between the semi-membranosus and gastrocnemius tendons. It fills with joint fluid wh... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 21-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
Equally competent: Radiologists are medical imaging professionals with 13-14 yrs of medical training beyond high school. Your imaging examinations are read in a similar ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 53-year-old male asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See long answer: Your dr. Needs to exam you, and place the need for imaging, such as a “brain mri” in appropriate clinical context. There are detailed criteria that a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 25-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: While ct can certainly identify an ovarian cyst, usually endovaginal us is better suited for this purpose.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 30-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: It sounds like you are scheduled for both a transabdominal and an endovaginal us. You’ll come with a filled urinary bladder and have the transabdomina... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 20-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Dextroscoliosis indicates a curvature of the spine (in your case mild and towards the right – “dextro”). This usually is a developmental variant, and... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5k viewsReviewed >2 years ago
A 47-year-old member asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: A tattoo should not interfere with a ct exam although some tattoos, because of metallic inks, could interfere with mris ( your radiologist could furth... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 24-year-old male asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See Orthopedist: A tear of the posterior medial meniscus, the most common area of occurence, may well need arthroscopic surgery - you should consult an orthopedic surg... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 50-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
Probably unrelated: Thyroids nodules such as cysts and colloid that you mention are quite common and almost always without symptoms. See your dr. To identify another caus... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 59-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See long answer: Small cysts of the kidney are usually simple cysts which are a benign occurrence without clinical symptoms. They increase with age, and 50% of people ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 30-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Knee xrays do not characterize the veins. Ultrasound would be best to identify a lower extremity vascular thrombus (blood clot).
Created for people with ongoing healthcare needs but benefits everyone.
5k viewsReviewed >2 years ago
A 39-year-old member asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: While in some instances cat scans may identify large stomach ulcers the imaging modality most appropriate for this determination is an upper gi. Very... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 26-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: A cyst is defined as simple and hence benign if it is sharply demarcated, has no internal echogenicity and has good thru transmission of sound. If th... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5k viewsReviewed >2 years ago
A 35-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: While a ct scan of the brain may show abnormalities consistent with multiple sclerosis, an MRI with gadolinium contrast is the preferred method of dia... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 31-year-old member asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See report: Either return to your first facility or obtain copies of the images and bring them to your new center.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 55-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See long answer: True liver cysts are simple fluid bubbles, are common and develop frequently with age. They usually aren’t associated with symptoms although there are... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 32-year-old member asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: While it depends on the specific type of ct scanner, since some newer units have lower radiations dosages, a ct of the abdomen / pelvis is approximate... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 31-year-old male asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Ultrasound is severely limited by bowel gas – if one is evaluating intestines (large or small bowel) , generally ct is a diagnostic consideration or p... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 48-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Arthroscopic surgery for the meniscus followed by joint exercise /rehabilitation may be appropriate – talk to your orthopedic surgeon.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 52-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Colonic diverticulosis is a developmental condition, increasingly common with age, in which small outpouchings of colonic mucosa / submucosa protrude ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 44-year-old member asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Endoscopy is the best exam for identifying an esophageal cancer! a barium esophogram may also help in detection. Chest ct or MRI may have benefit in s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 30-year-old male asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Discuss with dr. Mrcp is helpful to evaluate the bile ducts for obstruction or stones which may have precipitated the pancreatitis, and evaluate the p... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 33-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: If your urinary bladder was filled at the time the renal images were obtained that could create this appearance. Discuss with your clinical dr. To mak... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 21-year-old male asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Talk to your dr. / radiologist about the appropriate pre- procedure allergic preparation. It usually involves pre-procedure oral steroids (if you are ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 29-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Your imaging results sound normal
small fibroids are not an uncommon occurence.
Have your dr. / gynecologist correlate to make certain that you are ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 36-year-old male asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Renal parenchymal disease – often called medical renal disease – is a diagnosis made by ultrasound when there is increased echogenicity in the functio... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsReviewed >2 years ago
A 31-year-old member asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: An MRI arthrogram involves a needle injection of gadolinium contrast into the hip joint - this will enable the radiologist to better delineate interna... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 23-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Nephrogenic systemic sclerosis (nsf) is a very unusual occurrence in patients with severely impaired renal function (stage 4 and 5 chronic kidney dis... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 25-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
Hy: The patient is scanned to confirm and localize the abnormality - this could take 20-30 min. The preparation and biopsy another 20 minutes
total - pro... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 48-year-old male asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Discuss with your dr. To make certain nothing more serious is present, however there are many possibilities including that this may just be focal fatt... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 29-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See long answer: Your dr. Needs to exam you, and place the need for imaging, in the appropriate clinical context. The plain x-ray exam will show the bony fracture and... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 43-year-old male asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
Probably nothing: Lymph nodes are frequently seen, particularly in the groin area. If they are not enlarged and of normal architecture they probably are due to prior i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 50-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
MRI: If you need to have the best examination, an MRI should be considered by you / your physician if your symptoms/concerns persist.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 44-year-old member asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Mrcp usually is focused on the liver, pancreas and the gallbladder/biliary tract.
Sometimes it may be combined with more comprehensive upper (or lowe... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 41-year-old member asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Upper endoscopy (with a scope) or upper GI (with oral contrast and x-rays) are preferable ways of evaluating the stomach for adenocarcinoma or other g... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A member asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Silicosis is an occupational respiratory disease that may appear clinically up to years after someone's exposure to crystalline silica. As the disease... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 53-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Mri s are occasionally ordered during pregnancy for indications including: appendicitis, placenta accreta, fetal malformations, adnexal lesions, and ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 37-year-old member asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Ultrasound or possibly MRI usually are used for evaluating specific ovarian pathology although ct can identify lesions of the ovary.
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 37-year-old member asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Elbow MRI is usually used to demonstrate ligaments (connecting bone to bone), tendons (connecting muscle to bone), occult fractures or cartilage.
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 24-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: It shouldn't - just follow the instructions for sequential imaging and consult with your dr.
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 38-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: If an ultrasound exam didn't answer the clinical concern, an MRI is usually better in evaluating the ovaries.
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 30-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Hemorrhagic cysts often develop in premenopausal women due to hemorrhage within a corpus luteum. They vary in ultrasound appearance depending if they ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 30-year-old female asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Knee xrays do not characterize the veins. Ultrasound would be best to identify a lower extremity vascular thrombus (blood clot).
Created for people with ongoing healthcare needs but benefits everyone.
5k viewsReviewed >2 years ago
A 37-year-old member asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Thoracocentesis is the procedure where a needle is used to “draw off / sample” fluid from the chest pleural space – for either diagnostic (fluid sent ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 39-year-old member asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: Ct scans of the chest usually include the claviclular region just above the lung apex and a portion of the lower neck, but generally don’t go high eno... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 31-year-old member asked:
Dr. Harry Zegelanswered
Radiology 52 years experience
See answer: The majority of the esophagus is in the chest, not the neck. Depending on the field of view, the esophagus may not be included in the scanned territor... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
TestimonialsRecommendations and Thank you notes are endorsements given from patients or other doctors.
Recommendations and Thank you notes are endorsements given from patients or other doctors.
6
Recommendations
175
Thank you notes
Nov 26, 2013
A radiologist who understands patients and physicians. A wealth of knowledge, properly used. My radiology "sensei"!
Mar 3, 2013
Outstanding radiologist!
Nov 19, 2013
Outstanding radiologist!
HealthTap member
Thank you, your answer or tip was very helpful! Thanks for taking the time in answering my question. I just don't understand why my doctor was checking for liver cancer or cirrohsis .
HealthTap member
Thanks a lots docter.I will surely get advice from an arthopedic sergon. Can u plz tell me the diet, excercises that can help it get better.
HealthTap member
This was very helpful. Thanks! Thank you for this thorough medical explanation! Easy to understand & I appreciate the clarity.
Education & Training
Medical/Graduate school
Jefferson Medical College of Thomas Jefferson University
Graduated 1975MD
Medical/Graduate school
Ursinus College
Graduated 1971MD
Residency
Hospital of the University of Pennsylvania
Residency
Thomas Jefferson University Hospital
Awards
Top Doc, US News and World Report
Top Doc, Philadelphia Magazine
Top Doc, Philadelphia Magazine
Affiliations
American Roentgen Ray Society
American College of Radiology
Pennsylvania Radiological Society
Publications
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