Section Hallux valgus 28 Oct 202328 Oct 2023 bilateral hallux valgus Right (degrees)Left (degrees)1st metatarsophalangeal angle25241st intermetatarsal angle1510
Section Urinary bladder diverticulum 28 Oct 202328 Oct 2023 axial T2w MRI of pelvis outpouching from right posterolateral wall of urinary bladder - a diverticulum
Section Os Trigonum and Achilles enthesophyte 28 Oct 202328 Oct 2023 tendoachilles insertional enthesophyte in both feet Os trigonum evident on the right side
Section Celery stalk – anterior cruciate ligament 24 Oct 202324 Oct 2023 mucoid degeneration of anterior cruciate ligament showing a celery stalk appearance appearing diffusely T2 and PD hyperintense with longitudinal hypointense signals within.
Section Persistent styloid ossicle 24 Oct 202324 Oct 2023 corticated bone fragment seen at tip of styloid of ulna - the persistent ulnar styloid ossicle reduced radiocarpal joint space with radial subarticular erosions reduced scapholunate joint space with lucency…
Section Superior accessory fissure 25 Jun 202325 Jun 2023 accessory fissure separates apical segment of lower lobe from other segments of lower lobe
Section Viral encephalitis 17 May 202317 May 2023 Patchy, asymmetrical Prefers grey matter Herpes: anterior temporal and inferior frontal cortical region Limbic encephalitis: herpes involvement of hippocampi and cingulate gyrus EBV: patchy enhancement and edema Widespread hemispheric involvement:…
Section ADEM, MS, NMSOD and MOG 17 May 202317 May 2023 ADEM Post viral infection or vaccination Immune-mediated Headache, fever, altered sensorium, focal neurologic deficits Monophasic disease -relapses may occur within a few months Multiple areas brain and spinal cord involvement…
Section Subgaleal hemorrhage, cephalhematoma and caput succedaneum 17 May 202317 May 2023 Subgaleal hemorrhage Deep to scalp aponeurosis Often severe and may need transfusion Cephalhematoma Traumatic subperiosteal bleed Between cranial vault and outer layer of periosteum Confined by sutures May undergo calcification…
Section shaken baby syndrome 17 May 202317 May 2023 Vigorous or violent shaking Rapid alternating acceleration deceleration forces Subarachnoid hemorrage, cerebral contusion, laceration Diffuse cerebral edema best identified in parieto-occipital region Spinal subdural hematoma Severe injuries can result in…
Section Pediatric hydrocephalus 16 May 202316 May 2023 Understanding terminologies Communicating hydrocephalus: extraventricular obstructive hydrocephalus Noncommunicating hydrocephalus: intraventricular obstructive hydrocephalus Pathophysiology Imbalance between production and absorption Produced by choroid plexus Absorbed by brain and spinal cord, less extent…
Section Placenta previa 15 May 202315 May 2023 If the placental edge is >2 cm away from internal os, it is considered normal. Only two terminologies prefereed. previa: placenta covers internal os low-lying: placental edge < 2 cm…