All follicular except large cell: Low grade
All diffuse: Intermediate grade
Blastic and non-cleaved: High grade
Working formulation of NHL (Mnemonic)
PGMEE, MRCS, USMLE, MBBS, MD/MS
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Trauma Scoring Systems
Scoring systems Score type Brief description Score interpretation Revised trauma score (RTS) Physiologic RR + SBP + GCS Each parameter is scored 0-4 (Total range = 0-12) Lower score indicates more severe injury (RTS 12 = <1% mortality; RTS 0 = >99% mortality) Score <11 – transfer to trauma center…
PGMEE, MRCS, USMLE, MBBS, MD/MS
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Blood supply of femoral head
Three sources of Blood supply Vascular arragement of Proximal Femur a. Extracapsular ring (At the base of femoral neck) These circumflex femoral arteries branch from: Trochanteric anastomosis (centered on trochanteric fossa): Descending branch of SGA + ascending branch of LFCA, MFCA and IGA Cruciate anastomosis (centered on lesser trochanter): Descending…
PGMEE, MRCS, USMLE, MBBS, MD/MS
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Aortic arch derivatives : Mnemonic
The aortic arches or pharyngeal arch arteries are formed sequentially with the pharyngeal arches. Aortic arch Derivatives Mnemonic 1st Maxillary artery (part) 1st arch is maximal 2nd Stapedial arteryHyoid artery Second = Stapedial 3rd Common carotid arteryProximal part of internal carotid artery C = 3rd letter of alphabet 4th Left: Aortic archRight: Subclavian…