Different diseases with similar features Flashcards
Intraepithelial bulla
perpes simplex . Herpes zoster .Chicken pox .Pemphigus .Familiat benign pemphigus (btley-Hailey disease) Epidermolysis bullosa- dystrophic recessive form Oral lesions of erythema multiformae
Subepithelial bulla
Skin lesions of erythema multiformaeDermatitis herpetiformis Bullous pemphigoid Bullous lichenplanus Epidermolysis buliosa Pemphigoid
Both intraepithetial & subepithelial
.Eythema multiforme Epidermolysis bullosa faraneoplastic pemphigus
Tzank cells are seen in
Herpes .Pemphigus
Multinucleated giant cells are seen in
Cherubism . Hyperparathyroidism . Aneurysmal bone cyst Giant cell granulomas Osteoclastoma Osteosarcoma . Herpes
Leprosy (langerhans glant cells) * Eosinophiic granuloms
Psertasis ferm of lesions with Monto’s abscess are seen in
Benign migratory glossitis Psorasis . Reite’s syndrome (Micro-abscess. formation is also seen in Vitamin A deficiency)
Ghost cells are seen in
Odontoma Graniophanmgioma Ameloblastic fibroodontoma . Calcifying epithelial odontogenic cyst
Bence Jones protein is diagnostic of
Mutiple myeloma (important feature) Polycythemia vera Leukemia . Solitary myeloma
Blue sclera are seen in
Osteogenesis imperfecta Marfan’s syndrome Cherubism Ehlers-Danlos syndrome Osteopetrosis . Fetal rickets
Abnormal dentino-enamel junction is seen in
Dentinogenesis imperfecta * Ehlers-Danlos syndrome
Rushton bodies are seen in
Periapical cyst Dentigerous cyst Neonatal cyst
Nikolsky’s sign is seen in
Pemphigus Familial benign chronic pemphigus * Epidermolysis bullosa (dystrophic recessive)
Pseudoeptthellomatous hyperplasla is seen in
Granular cell myoblastoma Blastomycosis . Papillary hyperplasia DLE Necrotizing sialometaplasia (NS) * keratoacanthoma
Sunray or sunburst appearance is seen in
Osteogenic sarcoma Central hemangioma * Ewing’s sarcoma
Onion peel appearance is seen in
Ewing’s sarcoma * Garre’s osteomyelitis . Caffey’s disease
Crew-cut or Hair-on-end appearance is seen in
Thalassemia * Sickle cell anemia
Ground glass appearance is seen in
Primary hyperparathyroidism Monostotic fibrous dysplasia Cherubism
Widening of periodontal ligament is seen in
Osteosarcoma * Scleroderma * Trauma from occlusion
Hypercementosis is seen in
Pagets disease Hyperpituitarism (Gigantism)
Obliteration of periodontal ligament space is seen in
Hypercementosis . Ankylosis . Hypofunction of teeth . Paget’s disease
Cotton wool appearance is seen in
Pagets disease (Osteitis deformans) Chronic sclerosing diffuse osteomyelitis Fibrous dysplasia . Cemento-osseous dysplasia
Multiple unerupted teeth are seen in
Dentin dysplasia Cleidocranial dysplasia Hypothyroidism Cherubism
Cafe-au-lait pigmentation is seen
Neurofibroma Peutz-Jegher’s syndrome Polyostotic fibrous dysplasia . . Hypothyroidism
Periosteal new bone formation is seen in
Garre’s osteomyelitis * Hypervitaminosis A . Caffey’s disease or infantile cortical hypero: . Syphilis . Leukemia . Ewing’s sarcoma
