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  • New member:

    Deborah Crowe

    Industry representative Canada, ON

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  • New member:

    Anna Pavelonis

    Medical student United States, KS

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  • New member:

    Allyse Emmel

    Other (see other profession) United States, IN

    Student trying to pay a bill...

  • aliza decruz

    2019-07-08 02:43:17 Visible by anyone.

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  • Marci Handler Abdominal Imaging 09/10/2016

    Primary appendiceal adenocarcinoma is a rare malignancy, which comprises less than 0.5% of all gastrointestinal neoplasms. Most commonly, these tumors present as acute appendicitis or as a right lower...

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  • New member:

    Harish Saini

    Technologist student India, Delhi

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  • amer ameli Abdominal Imaging 04/09/2015

    65 years old female with DM plus anorexia KUB done whats finding...

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  • Joshua Ellis

    2019-07-09 16:38:32 Visible by anyone.
  • Samad Shah Nuclear Medicine 03/13/2017

    70-year-old female with history of bowel surgery and revised ostomy presented with abdominal pain and bacteremia. Gallbladder was not visualized on right upper quadrant ultrasound. Subsequently, HIDA ...

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  • New member:

    Dustin Meyer

    Medical student United States, FL

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  • New member:

    Marco Varrassi

    Radiologist Italy,

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  • Mahyar Mohammadifard Neuroradiology 11/02/2016

    68 y/o female...

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  • Sneha Harish C

    2019-09-01 05:20:20 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

    ...

  • New member:

    Vedran Markotić

    Radiology resident Bosnia And Herzegovina,

    ...

  • Nausheen Khan Neuroradiology 03/02/2015

    Sinus pericranii is a rare vascular anomaly consisting of abnormal transdiploic connection between the intra cranial and extra cranial venous circulations. Searching the database Medline (Ovid) using...

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  • Alaa Mahmoud Pediatric radiology 10/06/2017

    Teratomas are among the most common pediatric tumors and are the most common tumors diagnosed prenatally. The vast majority are either sacrococcygeal or head and neck in origin. However, other sites a...

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  • New member:

    shankar pavhane

    Technologist India, Maharashtra

    ...

  • New member:

    Amit Ramjit

    Radiology resident United States, NY

    Radiology resident...

  • Renan Ibrahem Abdominal Imaging 02/27/2016

    Summary: A case report of a 72-year-old female patient presenting with right-sided abdominal pain and back pain, on whom initial abdominal ultrasound revealed a hepatic mass. With the aid of subseq...

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  • shumyla jabeen Abdominal Imaging 08/14/2015

    70 year old male presented with abdominal pain and persistent bilious vomiting one month following Billroth II subtotal gastrectomy for gastric cancer. Ultrasound showed evidence of intussusception wh...

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  • New member:

    Nazimah Ab Mumin

    Radiologist Malaysia, Selangor

    ...

  • Dr.CHAITRA SANTHOSH Interesting radiology cases. 06/16/2015

    Clinical history: A 42yr nulliparous female with Chronic Kidney Disease presented with acute urinary retention.She also had constipation since 1 month and irregular per-vaginal bleeding since 3 months...

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  • New member:

    Richa Verma

    Radiologist India, HIMACHAL PRADESH

    learning and enthusiastic radiologist...

  • 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:

    Kaleb Hake

    ,

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  • 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:

    Hedieh Khalatbari

    Radiologist United States, Washington

    Board certified in radiology and nuclear medicine with subspecialty training in Neuroradiology, Pediatric Radiology, and PET-CT....

  • New member:

    Jeff clegg

    ,

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  • New member:

    vishal walasangikar

    Radiologist India, MAHARASHTRA

    ...

  • 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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