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  • New member:

    Guido Marzocchi

    Radiology resident Italy,

    Radiologist, MD...

  • New member:

    Oscar Vila

    Radiologist Spain, Pontevedra


  • New member:

    Andrew Chen

    Radiology resident United States, New York


  • Jacob Miller

    2019-08-14 04:15:00 Visible by anyone.
  • Sneha Harish C

    2019-09-01 05:20:47 Visible by anyone.

  • Rui Gil User Cases 05/15/2016

    We describe a case of a mature cystic teratoma of the ovary with high proportion of solid thyroid tissue (but less than 50%) in a childbearing woman. The patient presented with non-specific symptom of...

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  • New member:


    Radiologist Ecuador,


  • New member:

    hend hafeez

    Radiology resident Egypt, egypt


  • Eslam Youssef

    2018-07-13 23:01:37 Visible by anyone.
  • New member:

    Ahmed Farouk

    Radiologist Egypt, Cairo


  • New member:

    Sagindar Samaraj

    Non-Radiologist physician India, Tamil Nadu


  • Muhammad Shoyab

    2018-08-01 06:29:29 Visible by anyone.
  • 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:

    Ronald Crandall

    Medical student United States, California


  • Joseph Tseng Abdominal Imaging 01/28/2016

    A 35-year-old male presented with left testicular pain and scrotal swelling with fevers and chills. He was distressed, hypertensive at 156/100 mmHg, tachycardic at 122 bpm, but afebrile at 37.6˚C...

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  • Michele Foresti

    2019-07-06 13:42:11 Visible by anyone.
  • Jeremy Lam

    2018-08-15 08:11:45 Visible by anyone.
  • ANA MENDIZABAL Abdominal Imaging 07/30/2016

    Fifty-nine-year-old male referred to CT scan because of an anterior mediastinal mass incidentally detected at chest x-ray for check-up. Patient refers himself asymptomatic, cholecystectomy was perform...

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  • Federico Marturano Neuroradiology 01/07/2015

    A 21-years-old man was brought to the Emergency Room with history of acute onset of tetraplegia after falling asleep and having spent the night on the chair with his elbows on his knees and his head i...

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  • New member:

    cenk parlatan



  • New member:

    Tafseer Ahmed



  • Radiology resident Iran, Islamic Republic Of,


  • 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:

    Rui Gil

    Radiology resident Portugal,


  • New member:

    Harish Saini

    Technologist student India, Delhi


  • Oluwagbemiga Ayoola Abdominal Imaging 07/01/2017

    Forty four patients with a diagnosis of sickle cell disease in steady state had a Doppler ultrasound assessment of their hepatic veins done. Six of this patients showed a biphasic spectral pattern whi...

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  • New member:

    neha MR



  • Harmeet kaur Musculoskeletal Imaging 05/15/2015

    ABSTRACT Neurofibromatosis type-1 or Von Recklinghausen disease is a multisystem neurocutaneous disorder and the most common phakomatosis. One of the main characteristics of this disease is systemic ...

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  • New member:

    ciara fields

    Technologist student United States, California

    I am a college student, really interested in entering the radiology field.. I would love to network, and learn via this online community. If you know of any Radiology Shadow programs in the sacrament...

  • New member:

    Matias Alet

    Non-Radiologist physician Argentina,

    Fellow - Neurovascular Diseases - FLENI...

  • Radiologist Spain,