🎉 100 Days of Consecutive Quiz Posting! 🎉. As an ordinary person, my only way to grow is to repeat a simple act until it becomes extraordinary. This is just a milestone, not the finish line. I’ll keep pushing forward! 💪🔥.Huge thanks to everyone who has supported me! 🙌.

皆様、ご無沙汰しております。. たった2週間のうちに私以外の家族全員が大学病院で手術を受けるという稀なイベントがあり、X夏休みを頂いております。. ミッドサマーでは、前施設で大変お世話になった八木先生が、うちのデイリーを担当します。. 興味深い症例が揃っているようですので、皆様是非！

<Ping-Pong Skull Fracture> #Rdiag. 🧩 Imaging Clues.- Smooth, focal depression of the calvarium.- No fracture line or bony discontinuity.- Most often seen in neonates or infants due to pliable skull. 💎 Pearl. - A ping-pong skull fracture is a type of greenstick fracture seen in.

<What’s your diagnosis?>. 👤 2-year-old Female.📋 Head trauma . #Rdiag #RadEd #MedEd #PedsRad #NeuroRad #FOAMrad

<Serous Atrophy of Bone Marrow (SABM): Flip-Flop Effect> #Rdiag. 🧩 Imaging Clues.- T1WI: diffuse low signal in bone marrow.- STIR: corresponding high signal (→ “flip-flop” effect).- Non-traumatic areas also show signal change. 💎 Pearl.- SABM reflects marrow fat loss &.

<What else do you notice?>. 👤 70s Female .📋 Trauma after fall. Right iliac fracture is evident. But… is that all? . #Rdiag #MedEd #RadEd #MSKrad #FOAMrad #FOAMed

<Sjögren’s Disease> #Rdiag. 💡Name update: .“Sjögren’s Syndrome” → “Sjögren’s Disease”.(Ramos-Casals M, Nat Rev Rheumatol, 2025). 🧩Imaging Clues.- Bilateral parotid gland enlargement.- Multiple small round cystic areas in T2WI (→ punctate sialectasis).- No significant.

<What’s your diagnosis?>. 👤 50s Female .📋 Chronic dry eyes and dry mouth. MRI performed for recurrent parotid swelling. #Rdiag #MedEd #RadEd #FOAMrad #FOAMed

<Terson Syndrome> #Rdiag. 🧩 Imaging Clues.- Subarachnoid hemorrhage (SAH) on non-contrast CT.- Hyperdensity in one or both globes → intravitreal or subhyaloid hemorrhage.- No evidence of orbital trauma. 💎 Pearl.- Terson synd. refers to intraocular hemorrhage occurring in the.

<What’s your diagnosis?> . 👤 Adult .📋 Head trauma . #Rdiag #MedEd #RadEd #NeuroRad #ERrad #FOAMrad #FOAMed

<Arrested Pneumatisation of the Skull Base> #Rdiag. 🧩 Imaging Clues.- Well-defined, non-expansile lesion at the skull base.- Internal fat density ± curvilinear calcifications.- No bone erosion or remodeling.- Typically located in the sphenoid or petrous apex.- Asymptomatic,.

<What’s your diagnosis?>. 👤 65-year-old Female .📋 CT & MRI performed for nonspecific headache. #Rdiag #RadEd #MedEd #NeuroRad #FOAMrad #FOAMed

<Wernicke’s Encephalopathy (WE)> #Rdiag. 🧩 Imaging Clues.- Bilateral cortical ribboning in the frontal lobes (DWI ↑, ADC ↓, FLAIR ↑).- No contrast enhancement.- Subtle signal changes in medial thalami. 💎 Pearl.- Typical MRI findings include symmetrical thalamic &.

<What’s your diagnosis?> . 👤 70s Male .📋 Subacute altered mental status in a patient with progressive dysphagia and MSA. #Rdiag #MedEd #RadEd #NeuroRad #FOAMrad #FOAMed

<JC Virus Granule Cell Neuronopathy (JCV-GCN)> #Rdiag . 🧩 Imaging Clues.- Cerebellar atrophy, particularly of the hemispheres.- T2/FLAIR ↑ in cerebellar white matter.- No contrast enhancement or mass effect.- Diffusion restriction may be absent or subtle. 💎 Pearl.- JCV-GCN is.

<What’s your diagnosis?>. 👤 60s Male (HIV-positive) .📋 Progressive gait instability and dizziness for 2 months. #Rdiag #MedEd #RadEd #NeuroRad #IDRad #FOAMrad #FOAMed

<Neurotoxoplasmosis> #Rdiag. 🧩 Imaging Clue.- Multiple ring-enhancing lesions.- “Eccentric target sign”: peripheral ring with an eccentric nodule.- Significant surrounding edema. 💎 Pearl.- Neurotoxoplasmosis is the most common CNS opportunistic infection in AIDS patients with.

<What’s your diagnosis?>. 👤 45-year-old Male .📋 Headache, expressive dysphasia, altered mental status. Fevers, chills, rigors. Recent travel from Uganda. #Rdiag #MedEd #RadEd #NeuroRad #FOAMrad #FOAMed

<Dysembryoplastic neuroepithelial tumour (DNET)> #Rdiag. 🧩 Imaging Clues.- Cortically-based, bubbly/multiloculated T2↑ lesion.- No surrounding edema or mass effect.- No diffusion restriction or enhancement.- “Bright rim sign”: thin rim of FLAIR↑ at the periphery. 💎 Pearl.DNET.