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Sumer K Sethi, MD  
Male
Delhi - India

Specialties: Radiology

Interests: teleradiology

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+91-9811181359
Delhi - India
Headaches and Light headed
Oct 04, 2008 01:26AM in the Diagnostic Radiology Expert Forum
I feel your query is better answered by a neurologist or an internist as far as the radiology report is saying CT head was normal. It is highly unlikely that he would have missed anything as significant as tumour. Regards
RE: FACIAL CT WITH OR WITHOUT CONTRAST
Oct 04, 2008 01:24AM in the Diagnostic Radiology Expert Forum
Already answered.
RE: FACIAL CT WITH OR WITHOUT CONTRAST
Oct 04, 2008 01:23AM in the Diagnostic Radiology Expert Forum
Facial CT scan with contrast improves the appearance of blood vessels,, and normal and abnormal tissue by taking up the intravenously administered contrast. But the other way is not correct it doesnt block the bones or anything like that. Once you have done the basic scanning you can do a 3D reconstruction for the bone but that doesnt mean that you loose data...
Right sacrum lesion
Oct 04, 2008 01:17AM in the Diagnostic Radiology Expert Forum
Sclerotic lesion in the sacrum can have many reasons most commonly being a Bone island which is benign occurence of no consequence.Bone islands are round or ovoid, intramedullary, sclerotic foci that do not extend beyond the cortex. The long axis of a bone island typically parallels the long axis of the involved bone. Bone islands appear homogeneously sclerot...
Will you explain this in non medical terms?
Sep 19, 2008 04:17AM in the Diagnostic Radiology Expert Forum
Because of hypertension, aging and atherosclerosis the small vessels of the brain get occluded and this is seen as white matter changes particularly in the periventricular region, ischemic demyelination. This is seen in FLAIR images as increased signal as in your case. This is not alarming as it is very commonly seen in aging population. This is what is menti...
MRI vs Ultrasound
Aug 12, 2008 05:54AM in the Diagnostic Radiology Expert Forum
Dear Sue Well the size difference of 0.2mm is most likely due to variance in the measurement by different modalaties and different observers. So i dont think anything to worry about. Also once the diagnosis is confirmed by CEMRI it can be followed by USG and if any significat change in size or appearance is seen then MR?CT may be done. As of now i feel there...