The “Clinical Cases” section provides selected images, along with a short relevant discussion, from patient exams, contributed by the MR expert network community. This section will with time cover the breadth of clinical MR. Important aspects of imaging technique and clinical findings will be discussed. Each case will also include a downloadable file (corresponding to each presented image), enabling the user to replicate on his/her MR system the specific imaging technique employed.

Acute and chronic vertebral compression fractures

An 83 year old woman with back pain. [...]

C3 burst fracture

A 77 year-old woman seen in the emergency room, following trauma, with cervical pain but no neurologic deficit. [...]

Oligodendroglioma (WHO grade II)

A 30 year old man referred to Neurosurgery for a mass lesion (of the brain) revealed by imaging at an outside hospital. [...]

Medulloblastoma (posterior fossa PNET)

A 7 year-old boy who presents with nausea and vomiting. [...]

Disk space infection (L2-3)

A 70 year-old woman with chronic kidney disease, on IV antibiotics for osteomyelitis. [...]

Metastasis (breast carcinoma)

A 64 year-old woman with a history of breast cancer, presenting with weakness [...]

Pituitary microadenoma (prolactinoma, treated)

A 31 year-old woman with long-standing infertility, who prior to treatment presented with galactorrhea, now on cabergoline. [...]

Pituitary macroadenoma, with invasion of the left cavernous sinus

A 58 year old woman presenting with a visual field defect (bitemporal hemianopsia) [...]

Parenchymal hemorrhage, late subacute

A 68 year-old woman several weeks following a stroke. [...]

Periventricular leukomalacia

A 3 year-old girl, product of in vitro fertilization (with a normal twin), delivered by c-section at 30 weeks. She is mildly developmentally delayed, with spastic diplegic/triplegic cerebral palsy. [...]

Metastases (renal cell, lumbar)

A 56 year-old man with back pain [...]

Cavernous malformation

A 60 year-old woman with myelopathic symptoms, status/post cervical decompression, with follow-up cervical MR revealing a lesion in the pons. [...]

Intraductal papilloma

A 60 year-old woman with myelopathic symptoms, status/post cervical decompression, with follow-up cervical MR revealing a lesion in the pons. [...]

Intraductal papillary carcinoma

A 60 year-old woman with myelopathic symptoms, status/post cervical decompression, with follow-up cervical MR revealing a lesion in the pons. [...]

Invasive lobular carcinoma

A 60 year-old woman with myelopathic symptoms, status/post cervical decompression, with follow-up cervical MR revealing a lesion in the pons. [...]

Silicone lymphadenopathy

A 60 year-old woman with myelopathic symptoms, status/post cervical decompression, with follow-up cervical MR revealing a lesion in the pons. [...]

Toxoplasmosis

A 30 year-old woman with HIV [...]

Takotsubo Cardiomyopathy

This 70-year-old woman presented to the emergency room with acute onset of severe chest pain. No prior history of trauma. The pain started after a quarrel with her 45-year old daughter. The electrocardiogram did not reveal evidence of ischemic ST segment deviations. Creatinine kinase was of borderline value (10 U/L), but cardiac troponin T was elevated (2.15 µg/L). Coronary artery disease was ruled out by emergency coronary angiography. However, left ventricular angiography demonstrated apical ballooning with a reduced left ventricular ejection fraction. [...]

AVM (within the third ventricle)

A 21 year-old man, presenting with syncope [...]

Multiple myeloma

Back pain in a 58 year old woman [...]

Synovial cyst

Back pain in a 58 year old woman [...]

Tethered cord

Back pain in a 58 year old woman [...]

Hepatic Hemangioma

A 55 year old woman with an incidental finding on an MRI of the thoracic spine. [...]

Germinoma

A 22 year-old woman presents with a suprasellar mass on CT [...]

Oligoastrocytoma (WHO grade 2)

A 23 year old man presenting with a mass lesion on CT [...]

Posterior reversible encephalopathy syndrome (PRES), also known as acute hypertensive encephalopathy

A 25 year-old woman on chemotherapy, with hypertension and visual symptoms [...]

Carotid artery pseudoaneurysm

Trauma [...]

Septo-optic dysplasia

A five year-old boy with hydrocephalus and pituitary dysfunction [...]

Left temporal lobe arteriovenous malformation (AVM)

A 31 year old woman [...]

Glioblastoma Multiforme (left parietal)

A 57 year old man presents with a mass lesion on CT, with MR performed for differential diagnosis and better delineation of the lesion. [...]

Posterior cerebral artery infarct (early subacute)

A 79 year old man presents with symptoms of a cerebrovascular accident [...]

Lumbar vertebral metastases

A 61 year old man with small cell carcinoma of the lung [...]

Multiple sclerosis (cervical spinal cord)

A 28 year old woman [...]

Left MCA trifurcation aneurysm

A 45 year old man with end-stage renal disease and a history of polycystic kidney disease [...]

Left middle cranial fossa arachnoid cyst

An incidental finding in a 46 year old man being evaluated for possible recent cerebral infarction (the brain MR was otherwise normal) [...]

Glioblastoma (WHO grade 4 astrocytoma), recurrent

A 55 year old man, with a previous partial tumor resection [...]

Aortic Arch Arteritis

A 45 year old male with headache and mild chest pain for several months. [...]

Achilles Tendon Rupture

A 63 year old male with leg pain after fall. [...]

Type II dens fracture

A 42 year old male with numbness and tingling in thumb after diving into pool and hitting his head. [...]

Endometrial polyp

A 45 year old female with newly diagnosed endometrial cancer on cervical biopsy. [...]

Jumper’s knee

A 26 year old male with left knee pain. [...]

OPLL (Ossification of the posterior longitudinal ligament)

A 57 year old male with numbness of the hands. [...]

Hepatocellular Carcinoma-2

This 54 year old woman presented to the gastroenterology clinic complaining of abdominal pain. A right upper quadrant ultrasound was performed demonstrating an ill-defined hypoechoic hepatic mass. MRI was recommended for further evaluation. [...]

DeQuervain’s tenosynovitis

A 53 year old female with left wrist pain for the past 4 months without any inciting event. [...]

Sacral spinal dysraphism with a meningocele.

A 40 year old female with history of spina bifida. [...]

Meningioma

An 87 year old male with anosmia and known diagnosis of meningioma. [...]

Invasive lobular carcinoma

Clinical history: 59 year old female presented for breast MRI after the ultrasound-guided core biopsy of a 10 x 11 mm mass in the 4 o’clock axis of the left breast showed invasive lobular carcinoma. [...]

Tear of the prepatellar quadriceps continuation

A 71 year old male presenting with pain in the right knee. [...]

Subcapsular/extracapsular hematoma

This is a 54-year-old Caucasian male with a past medical history of polymyositis and recent outside hospital admission for biliary tree obstruction with subsequent ERCP, cholecystectomy, and liver biopsy. He was admitted to our institution with elevated LFTs and abdominal pain. [...]

Radial tear with flipped meniscus

50 year old man with left knee pain which worsens with activity. [...]

Right cerebellar hemangioblastoma

A 49 year old male with worsening headache, mostly in the posterior neck, and vertigo. [...]

Distal clavicular fracture

10 yr old male who injured right clavicle while playing on a trampoline 5 days prior to presentation. [...]

Multiple Arterial Stenoses

This 63-year-old man presented with a longstanding history of peripheral arterial occlusive disease, hypertension, diabetes, coronary artery disease, prior myocardial infarction, crossover bypass, and renal artery stenosis with increasing leg pain. [...]

Melanoma with brain metastases

A 77 year-old male with history of melanoma. [...]

Os-acromiale

This is a 26-year-old female with no history of trauma, who presents with left shoulder pain. [...]

Active Multiple Sclerosis

This is a 24-year-old male with left-sided weakness and numbness, headaches, and a clinical question of a recent stroke. [...]

Left Ovarian Dermoid

26 yr old woman presented with pelvic pain. [...]

Buford Complex

This is a 47-year-old male who has a chronic history of shoulder pain. [...]

Low Grade Astrocytoma

78 year old woman with symptoms of memory loss and dizziness for the past 6 months. She also has chronic headaches, confusion and ataxia. [...]

Cholangiocarcinoma

This is a 71-year-old male who presented with a diagnosis of adenocarcinoma with uknownn primary and liver metastases. [...]

Right-sided vestibular schwannoma

This is a 46-year-old female who presented with a history of right ear tinnitus and right ear sensorineural hearing loss. [...]

Biceps tendon rupture

This is a 56-year-old female with a several month history of right shoulder pain. The pain started after exercise classes which involve lifting weights. The patient had no reported history of trauma. [...]

Hepatocellular Carcinoma

65 year old woman being evaluated for liver transplant. The patient has a history of hepatocellular carcinoma status post RFA in 2005. [...]

Haglund’s syndrome

66 yr old woman with right ankle pain. [...]

Plasmacytoma (biopsy proven)

64 year old man with past medical history of HTN with complaint of abdominal pain and migratory rib, sternal and back pain for 1 year. [...]

Metastatic breast cancer

This is a 59-year-old female with a history of infiltrating ductal breast cancer, s/p partial mastectomy in 2007 and radiotherapy in 2008. [...]

Posterior ankle impingement syndrome (Os trigonum syndrome)

42 year old woman with right heel pain that started 6-8 months ago. [...]

Thoracic dural AV fistula

58 yr old woman presented with back pain. An MRI of the thoracic and lumbar spine was obtained. [...]

Synovial Osteochondromatosis

59 yr old woman with left knee pain. [...]

Arachnoid Cyst

49 year old man with lung cancer for evaluation of metastatic disease after chemotherapy and radiation. No neurological symptoms. [...]