301037?1213868178
Sumer K Sethi, MD  
Male
Delhi - India

Specialties: Radiology

Interests: teleradiology

Teleradiology Providers
+91-9811181359
Delhi - India
Jan 27, 2009 03:10AM in the Diagnostic Radiology Expert Forum
This can be Proximal femoral focal deficiency (PFFD), which is an uncommon but complex problem. In general, in individuals with PFFD, the proximal femur is partially absent, and the entire limb is overall shortened. The etiology of PFFD is not known exactly, but certain theories have been proposed and agents implicated. Injury to the neural crest cells and...
Dec 15, 2008 12:53AM in the Diagnostic Radiology Expert Forum
MRI is limited in patients (post operative) with fixation hardware due to metallic suspectibility artifacts produced by metallic devices. Metallic substances produces local magnetic field inhomogenity resulting in spatial mismapping and production of image distrotion which compromises intrepretabiltiy.
Dec 15, 2008 12:49AM in the Diagnostic Radiology Expert Forum
Your CT report suggests ---Acute non hemorrhagic infarct, left frontal periventricular--- This looks like a relatively fresh infarct --Infarct is a result of blockage of blood supply of the brain chrinc infarct left lentiform nucleus subacute lacunar infarct, right lentiform nucleus --- Both basal ganglia regions shows old infarcts that means sequale of th...
Dec 15, 2008 12:44AM in the Diagnostic Radiology Expert Forum
For diagnosing arachnoiditis Contrast enhanced study is definitely indicated to look adherent enhancing nerve roots. Arachnoiditis is a broad term denoting inflammation of the meninges and subarachnoid space. A variety of etiologies exist, including infectious, inflammatory, and neoplastic processes. Infectious etiologies include bacterial, viral, fungal, and...
Dec 12, 2008 04:43AM in the Diagnostic Radiology Expert Forum
small sclerotic lesion in the vertebrae which is uncghanged on serial xrays is probably with out any significance and may indicate something which is called a bone island. (benign finding) However, to be on a safer side serial follow up has been advised. Sclerosis in common english means increased density.
Dec 12, 2008 04:41AM in the Diagnostic Radiology Expert Forum
Normal bone marrow has yellow marrow and red marrow. Yellow marrow is more of fat and red marrow is more of haematopoitic tissue. in infants marrow is predominantly hematopoietic with the exception of epiphyses & apophyses, which are predominantly fatty throughout life. with skeletal growth, red marrow is gradually replaced by fat. red marrow persists lon...