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Erysipelas

✅Non suppurative streptococcal laryngitis ✅ involve only skin ( face , scalp , scrotum , limb ) ✅ +v milian ear sign ✅ rapidly spreading 🛑 highly infectious ( small vesicels contain infectious serum ) ✅ well defined margin with irregular rose pink patches

Cellulitis

✅Suppurative ( pyogenic ) streptococcal infection ✅ involve SC ( scalp , limb , pelvis ) ✅ -ve milian ear sign (no sc in ear) ✅ rapidly spreading ( fibrinolysin , hyaluronidase ) ✅ill defined edges with shiny indurated areas , no flactuation

Carbuncle

✅G : localized infective Gangrene ( ill definied margin ) by : - pressure - thrombosis > cavernous sinus thrombosis ( 🛑 dangerous triangle of face ) - toxin ✅U : Ulcer , glucosUria ✅C : color : indurated painful dusky red swelling ✅ frunclosis Spread to Sc tissue ✅ Site : tough skin : nape , back , face ✅ diabetic , nephritic patients

Furuncle ( boil )

✅hair follicle abscess + perifolliculitis ✅hairy areas S crotum , A xilla , C hecks 🛑 low immunity

Abcess

✅ progenic organism ( g-ve ,+ve ) 🛑 most common : staph (coagulase) ✅2 stages *inflammation : * suppuration : Central zone > pus Pyogenic memb Diffuse inflammation Peripheral zone > health tissue ✅ C/P of suppuration stage FEPA - Fever > hectic - Flactuation +ve > superficial abscess - Edema > pitting - Pus > discharge - Pain > throbbing - Aspiration 🛑🛑 All abscesses are incised except ; A > ameobic B > brain C > cold ( TB )

Hydatid disease

✅ tapeworm echinococcus granulosis ✅ life cycle Dog > DH ( adult in intestine ) Sheep & cattle > IH Man > accidental ( contact with dog , contaminated food , egg hatch in jujenum ) ✅ hydatid cyst * 3 layers - outer fibrous > host - middle laminated > chitin - outer layer > scolices form sand ✅ Complication : 🔻RUPTURE حسب اشهر اماكن موجود فيها *Liver 75% : multi vesicular cyst *Lung 15% : bronchobiliary fistula secondary pleural infection *Others 10% : -Biliary tree : obstructive jaundice, cholangitis -Peritoneal cavity : anaphylxis , infection 🔻secondary infection (abscess) 🔻 calcification ( seen by x-ray ) ٤ ملحوظات مهمين في الدرس هنختصرهم كدة ♻️A > Asymptomatic ( mostly ) ♻️P > Painless , tense swelling Percussion > hydatid thrill ( vibration of daughter cyst against mother cyst ) ♻️ C > Casoni test : 0.5 ml sterilize fluid ID > wheal 5 cm

Actinomycosis :

🩸 directly invade through blood not lymphatics ✅ S : * Sterptothrix actinomyces israeli * Sulfur granules (pin head sized) discharge * puS ( multiple Sinuses ) ✅ F : * Faciocervical (60%) , abdomen (20%) * Firm mass * Filaments ( radiating G+ve mycelcial filaments surrounded by G-ve clubs )

GAS GANGRENE

WAR injuries 🏴‍☠️ 🛑Sacchrolytic group ( cl.welchii ) : ❎ glycogen of ms > Co2 + H2 > *distention , swelling , crepitus *RBCs hemolysis , thrombosis 🛑Proteolytic group ( cl.sporogenes ): ❎ protein > ammonia + H2S > *musty brown discharge *iron sulphide ( greenish black ms , greenish yellow skin )

اهم النقاط في الجراحة

🚨🚨 prevention final revision ⚠️ Written : °°Community : https://t.me/easystudy000/1848 °° Family : https://t.me/easystudy000/1860 °° internal & tropical: https://t.me/easystudy000/1858 ---- ⚠️ Mcq : https://t.me/Zag_54/5006 ----- ⚠️ سكيمات : https://t.me/easystudy000/1855 --- ⚠️ ريكوردات سريعة و تلخيصات : https://t.me/easystudy000/1527

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