Cases

60 yo male w/ L CN III plasy Suspected subacute infarct (DWI was normal) Involves L oculomotor nucleus and would explain the palsy

History:  39 year old woman with forefoot pain Findings:  There is an 11x3mm tear-drop shape well defined low intensity mass in the 3rd intermetatarsal space, consistent with Morton(‘s) neuroma (aka. Perineural Fibroma).  The patient was subsequently operated on, and the mass was pathology proved perneural fibrosis. Discussion:  Morton neuroma is a non-neoplastic entrapment syndrome of […] Read More >

Clinical: 44y/o female s/p recent injury with laceration. Dx:  Discontinuity/laceration of the central slip of the extensor tendon centered 6 mm proximal to the proximal interphalangeal joint of the 3rd finger.  The laceration also involves a portion of the ulnar/medial extensor hood (medial slip) with 3 mm of maximal retraction at the tear site. Read […] Read More >

Adult who originally presented with upper abd pain; a carcinoid tumor was resected from the stomach and this is part of the w/u for metastases. The scan was negative, except intracranially. Presumed asx meningioma.  Carcinoid metastasis to the dura from the stomach without any positive lymph nodes would be reportable.  Meningioma is one of the […] Read More >

60 year old with prior stapedectomy bilat and stapes prostheses.  Now SNHL. Slides 1 & 2:  Prostheses looked ok – but lucent plaques around cochlea… Slides 3 & 4:  …suggest cochlear otosclerosis.  Could also be otosyphilis.

Adult with “mild” HA.  Example of basilar cisterns filled with SAH.   Lamina terminalis cistern (anterior to suprasellar cistern within the interhemispheric fissure) Crural cistern (between the uncus and the cerebral peduncle = crus cerebri; some neuroanatomists refer to this area as the anterior aspect of the ambient cistern) Sylvian cistern (contains the M1 segment […] Read More >

History:  56-year-old gentleman  with “intermittent sinus congestion, which he thinks is exacerbated by surfing and is improved with sinus rinses after surfing.” Exostosis of External Auditory Canal (Surfer’s Ear) Bilateral circumferential narrowing of the EAC in someone who is repeatedly exposed to cold water. Can cause conductive hearing loss if severe. Ddx: osteoma.

Lobar holoprosencephaly       Along spectrum of forebrain malformations       including septo-optic dysplasia (and in this       case, probably pretty close to SOD)

59 yo with weakness and mild dysarthria who is currently an inpt at a rehab hospital and had imaging requested prior to discharge as the sx’s were getting worse. Slide #1:  Axial FLAIR sequence. Slide #2:  Lesion as seen in a diffusion weighted sequence. Slide #3:  Same lesion seen in a T1 weighted post contrast […] Read More >

54 year old female with atypical chest pain and an “abnormal stress test.” Myocardial Bridge Incidence 20-30% in large CCTA series Anatomic series:  15-85% Angiographic series:  0.5-2.5% Usually clinically silent but can result in atypical angina, unstable angina, MI, arrhythmias, and even sudden death MB predisposes patients to atherosclerotic lesions proximal to the MB Read […] Read More >