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  • New member:

    Muhammad Umair

    Radiology resident United States, Maryland

    ...

  • UMESH MITTAL Chest & Cardiac Imaging 12/16/2014

    A coronary cameral fistula (CCF) is an abnormal communication between a coronary artery and any cardiac chamber . CCF is an uncommon disorder with an incidence of 0.1% in patients undergoing coronary ...

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  • Pulkit Maru Abdominal Imaging 07/31/2017

    Hydatid cyst in pancreas is uncommon occurrence which is estimated to occur 1 in 340 cases even in endemic areas, representing less than 1% of all human infestation. Clinical symptoms vary according t...

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  • shumyla jabeen Abdominal Imaging 08/12/2015

    70 year old male presented with abdominal pain and persistent bilious vomiting one month following Billrothn II subtotal gastrectomy for gastric carcinoma. IV contrast enhanced CT with MPR revealed gr...

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  • New member:

    BRAHIM KAMMOUN

    Non-Radiologist physician Tunisia,

    ...

  • New member:

    yudell edelstein

    Radiologist United States, New York

    ...

  • Blair Lowery Interesting radiology cases. 01/16/2018

    Patient is a 39-year old female with a past medical history of Acute Myelogenous Leukemia in remission (1.5 years) who presented to the emergency department with AKI. Workup in ED included KUB which s...

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  • Elie Najem

    2018-11-12 03:05:02 Visible by anyone.

    Questions and Answers:

     

    1.      The most common site of intracranial calcifications in the pediatric population is:

    a.       Cerebellum

    b.      Periventricular region

    c.       Pineal gland

    d.      Thalamus

    e.       Falx cerebri

     

    Answer: c. In the pediatric population, they are typically seen in the pineal gland and choroid plexus. Pineal calcifications <1cm, appear as dots and tend to be benign in 40% of individuals less than 20 years old. Whereas pineal calcifications >1cm in patients younger than 9 years should be regarded as pathologic and warrant further investigation.

       

    2.      A blush-like pattern calcifications in the bilateral basal ganglia in a child is typically seen in:

    a.       Tuberous sclerosis

    b.      Raine syndrome

    c.       Krabbe’s disease

    d.      Sturge-Weber  syndrome

    e.       Neurofibromatosis

     

    Answer: c. Krabbe’s disease is an autosomal recessive demyelinating disorder affecting infants due to galactocerebroside b-galactosidase deficiency leading to accumulation of abnormal lipids. A symmetrical blush-like pattern of calcifications in the bilateral basal ganglia is characteristic.

     

    3.      A 3 day-old boy was admitted to the neonatal intensive care unit after an episode of tonic-clonic seizure. His mother denied prenatal care. Non-contrast CT was showed both sub-ependymal and periventricular calcifications with cerebral volume loss. What is the most likely diagnosis?

    a.       Tuberous sclerosis

    b.      Congenital CMV

    c.       Congenital hypothyroidism

    d.      Neurofibromatois

    e.       Hypoglycemia-induced seizure

     

    Answer: b. Congenital Cytomegalovirus (CMV): Incidence is 0.2-2.4% of live births. Intracranial calcifications are seen in 77% of those with imaging abnormalities typically in the sub-ependymal and periventricular regions of the brain along with brain atrophy.

       

    4.      Among all the intra-axial brain tumors, which of the following is mostly associated with intracranial calcifications?

    a.       Oligodendroglioma

    b.      Pilocytic astrocytoma

    c.       Dysembryonic neuroectodermal tumors

    d.      Medulloblastoma

    e.       Metastasis

     

    Answer: a. Oligodendrogliomas exhibit the highest frequency of calcifications (up to 90%). Calcifications can be scattered dots or clumped together to form large nodules, located centrally or peripherally and frequently in the frontal lobes.

       

    5.      A 50-year-old female patient presented with dry coughfatigue, and shortness of breath. On physical exam she has tender reddish bumps on the skin. Review of the systems revealed seizures and depression. CXR showed enlarged hilar lymph nodes and CT scan of the brain showed small calcified masses in the leptomeninges and periventricular white matter. What is the most likely diagnosis?

    a.       Hypothyroidism

    b.      Hyperparathyroidism

    c.       Hemochromatosis

    d.      Chronic lead toxicity

    e.       Sarcoidosis

     

    Answer: e. Sarcoidosis affects many organs including the CNS, lungs and skin. On non-contrast CT scan of the brain, small calcified granulomas can be seen in the leptomeninges, periventricular white matter, pons, hypothalamus, pituitary stalk, and optic chiasm with varying degrees of edema.

     

  • New member:

    Olutunde Oluwole

    Non-Radiologist physician Nigeria, Oyo

    ...

  • New member:

    NUWAN HERATH

    ,

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  • Armando Cavallo Musculoskeletal Imaging 10/25/2016

    A 70-year-old man presented to our Institution complaining swelling on the left flank and progressive pain rapidly increased over a period of six weeks. No injury or trauma were reported in the recent...

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  • New member:

    Justin Boe

    Radiologist United States, OK

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  • New member:

    Hristo Hristov

    Radiologist Bulgaria,

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  • Jonathan Mayl Neuroradiology 09/07/2016

    Moyamoya syndrome is a rare cerebrovasculopathy of unknown etiology but is associated with multiple risk factors. Moyamoya was first discovered in Japan and is reported to have an increased prevalence...

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  • New member:

    Richa Verma

    Radiologist India, HIMACHAL PRADESH

    learning and enthusiastic radiologist...

  • New member:

    Mátyás Petró

    Radiology resident Hungary,

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  • New member:

    Najme-sadat Moosavi

    Radiologist Iran,

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  • New member:

    Anusha Reddy

    Radiology resident India, Pondicherry

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  • Rahul Verma Musculoskeletal Imaging 07/11/2017

    A 65-year-old female with a history of progressive systemic sclerosis presented with left shoulder and bilateral external ear pain. Physical exam revealed, tender nodular calcium deposition in both ea...

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  • Vandanaa vc foetal 11/23/2014

    A 23 yr old G2P1L1 patient came to our centre with 3 months amenorrhoea for a routine nuchal translucency scan. Ultrasound examination revealed a single live foetus corresponding to 13 + weeks with ...

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  • Enrique Flores Abdominal Imaging 12/29/2014

    A 22-year-old woman with history of mental retardation and epilepsy was admitted to the Emergency Department with abdominal pain and vomiting. The physical examination revealed a marked abdominal di...

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  • New member:

    mayomi onuwaje

    Radiologist Nigeria, DELTA

    Consultant radiologist with Lily hospital Warri...

  • deepa valiplackal Neuroradiology 07/12/2015

    A 53- year old male is presenting with symptoms of left- sided peripheral facial paresis of unknown etiology in our emergency department. MRI scan revealed bilateral contrast enhancement of facial ner...

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  • New member:

    Jay Satapara

    Radiology resident India, Gujarat

    I am a radiology resident....

  • New member:

    Ashish Yadav

    Radiology resident India, Maharashtra

    ...