List the abnormalities? What are the Radiological signs you have picked up?

Dr. Sudhir Mehta sends you a special video invite for a CME event on the topic "Plastic surgery update" to be held in Ambala city on 13th February. Let's hear him out.

A 14 year old male child , was brought to the emergency department with chief complaint of fever with headache for the past 4 days, high grade continuous fever, relieved on taking medication, gets back fever on stopping medication, no diurnal variation, associated with headache, no blurring of vision, no complaints of vomiting, no neck stiffness, no signs of meningeal irritation, h/o seizure present, 1 episode, generalised..,generalised lymphadenopathy present, b/l cervical and b/l inguinal, left foot drop, right has involuntary movements, known smoker and betel nut chewer.,cvs normal, p/a normal, cns sensory system intact, motor left ankle 2/5 , plantar b/l flexor, pupils normal..need help in approaching this case..

A 19 yr old female pt admit c c/o fever with rigor on and off 4-5 dys c/o vomiting with nausea c/o headache with bodyache kco epilepsy regular medicine hb 13 tc 2000 plt count1,30 mp not sgpt 138 creat 0,9 rbs 182 admission in treatment inj Ofranmax 2gm + 100ml ns 12hrly inj emeset 2amp 8hrly inj pantop + 100ml ns 12hrly pt is stable 2nd day pt c/o severe itching both palm and leg in night inj hydrocord100mg stat inj avil stat calamine lotion for applying pt 30 mnt after mild relax see video wt is ur best opinion and diagnosis

What does this sign known as? This is usually seen in thrombocytopenic patients, in dengue, malaria etc.