STENCILDENT

                           DERMOID CYST Dermoid cyst is lined by squamous epithelium containing  desquamated cells Origin :Face is developed from five processes two maxillary, two mandibular and 1 frontonasal process. Dermoid cyst occurs in the line of embryonic fusion of these processes. STUDENTS CORNER: lets see how to approach this question better here you go start with a small introduction to the topic, mention few common sites where dermoid cyst can usually occur in order to remember that here is pneumonic "SERF" where S- Sublingual dermoid, E-External angular dermoid, R-Root of nose, F-Forehead,  followed by listing out different clinical type of dermoid cyst, clinical features ,differential diagnosis and end it of with treatment options . Common sites:  Forehead External angular dermoid Root of nose Sublingual dermoid  CLINIAL TYPES OF DERMOID CYST: 1)CONGENITAL /SEQUESTRATIN DERMOID: They o...

  LEPTOSPIROSIS  Leptospirosis is a zoonotic infection which is  caused by spirochete  ZOONOTIC DISEASE ? Zoonotic disease are infection that spread between animals and human  Examples :plague,ebola,rabies SPIROCHETE? Spiral shaped bacteria Helically coiled  Highly motile  Disease caused by spirochaetes: lyme disease,syphilis,borreliosis LEPTOSPIROSIS  Hook in ends Periplastic flagella  Leptospirosis -animal reservoir is rat (rodent ) Spread through rat urine contaminated in flood water More common in rainy season  LEPTOSPIRA SPECIES : PATHOGENIC -LEPTOSPIRA INTERROGANS FREE LIVING-LEPTOSPIRA BIFLEXA Leptospira dont stain well and are best seen in dark field microscopy with silver impregnation stain  PATHOGENESIS : Leptospira common in rodent (rat) ,also known as rat fever When a person who has cut or abraded skin walks in flood , Sewage water mixed with rat urine ;leptospira enter in and cause infection  Undergoes 2 ...

  CIRRHOSIS OF THE LIVER DEFINITION: Cirrhosis is defined as an irreversible chronic injury of the hepatic parenchyma and include extensive fibrosis in association with the formation of regenerative nodules TYPES OF CIRRHOSIS: 1)ALCOHOLIC CIRRHOSIS: Causes:  consumption of large quantity of alcohol Increased frequency of alcohol nutrient factors  Pathogenesis: Fatty change in the liver Steatohepatitis (  hepatitis with infiltration of liver cell+inflammatory cell) Mallory bodies Necrosis of liver cell,replacement by fibrosis Regenerative activity of hepatocyte ( fibrosis to micronodule formation) 2)POST -NECROTIC CIRRHOSIS: Characterised pathologically by : Extensive loss of liver cell, Collapse of reticulum network Thick connective tissue Etiology: Viral hepatitis Drug Toxin  3)BILIARY CIRRHOSIS: Intrahepatic /extrahepatic biliary system - prolonged obstruction,injury to liver cell,stasis of bile,dysfunction of liver cell leads to progr...

  CONGENITAL HEART DISEASE Congenital heart disease are the abnormalities of heart and great vessel due to defective development in the prenatal period. CLASSIFICATION: CONGENITAL HEART DISEASE  A) ACYNOTIC  ACYNOTIC WITH LEFT TO RIGHT SHUNT C ommon complete atrioventricular canal V entricular septal defect A trial septal defect P atent ductus arteriosus ACYNOTIC WITHOUT SHUNT E ndocardial cushion defect P ulmonary stenosis A ortic stenosis C oarctation of aorta B) CYANOTIC P ersistent truncus arteriosus E bstein anomaly with right to left shunt T etralogy of fallot C ommon atrium SEQUENTIAL MNEMONIC: CH ennai Developers have 2 branches one in A dyar aand in C entral. Adyar has 2 sub branches ,1st branch requested applicant to upload CV in AP p ,enquire PA for confirmation in 2nd branch. C entral branch requirements: P revious experience E T C VISUAL MNEMONIC: NOTE: The use of same sequential and visual mnemonic in any other website or youtube channe...