oral pathology key points

8/13/2019 Oral Pathology Key Points

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ORAL PATHOLOGY KEY POINTS :-

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STARY SKY APPEARANCE : HISTOLOGICAL APP. of Burkit's lymphoma Plump endothelial cells in : Kaposi sarcoma Most common malignancy in AIDS: Kaposi sarcoma Reply Reply With

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Cotton wool Appearance radiog.>>>Paget's disease Ground Gl*** app>>>fibrous dysplasia and hyperparathyroidism Eye's looking towards heaven : cherubism . Keratocanthoma most commonly occcurs on lip(AIPG 2009) . black beard sign seen in paget disease.(CDC 2009) Histiocytosis y -verrucous xanthoma Histiocytosis X-eosinophilic granuloma PUNJAB pg 010 lava flowing around boulders-TYPEI dentin dysplasia RADICULAR vanderwoude syndrome-cleft lip and palate,lip pits . Another name for spindle cell carcinoma-collision tumour.spindle cell

carcinoma is a variant of SCC,(MAHE 2009) Reply Reply With Quote

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sun burst appearance-osteosarcoma approximately 90% of supernumerary teeth occurs in maxilla PGI 2010Reply Reply With Quote . capdepont teeth-dentinogenesis imperfecta . thistle tube appearance of pulp chambers-coronal dentin dysplasia Reply

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sharpened pencil appearance of condyle is seen in rheumatoid arthritis(pb2010)

Hollowing out of ramus>>>>dentigerous cyst Picket fence or "tomb" stone appearance >>>> OKC

highest recurrence rate>>> OKC>>>parakeratinized form . salt and pepper appearance-thalesaemia target cells,safety pin cells are seen in thaelesemia . target lesions are seen in erythema multiforme compound odontoma>>>>>tooth like>>>>anterior maxila complex odontoma>>>>>>no similarity>>>>>post. maxilla Compound odontome is most common odontogenic tumour Mandibular foramen is usually not recognized on iopa The microscopic appearance of congenital epulis of new born closely

resembles granular cell myoblastoma


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If the antibody localizes in intercellular cementing substance-pemphigusvulgaris

if the antibody localizes to basement membrane-bullous pemphigoid

False /induced anodontia-multiple extracted teeth pseudoanodontia-multiple unerupted teeth Most common malignancy in males >>> Lung cancer most common malignancy in males in india >>>> oral cancer . most common oral cancer >>> SCC most common congenital anomaly-fissured tongue facial pigmentation and carcinoma of lip-xeroderma pigmentosum abnormal DEJ is seen in dentinogenesis imperfecta Reply Reply With

Quote . macrognathia is seen in:- paget disease, acromegaly, gigantism . temporal arteritis-jaw claudication,dull boring in character,pain in jaw

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distortion /perversion in taste-dysguesia oblique facial cleft-non fusion of maxillary process with lateral nasal process


*lower jaw and lower lips are the first parts of face to form.they result frommerging of medial ends of mandibular process in median plane.

upper lip formed by 2 medial nasal process and 2 maxillary process frontonasal process takes part in formation -forehead,bridge of nose maxillary process-cheeks,lateral portion of upper lip medial nasal process-philtrumof upper lip,nasal septum,tip of nose mandibular process-lower lip and lower cheek region Reply Reply With

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*multiple areas of desquamation of filiform papilla-benign migratory glossitisor geographic tongue

atrophy of filiform papilla with normal or engorged fungiform papillae-Riboflavin or B2 deficiency

Hypertrophy of filiform papillea from 1mm to 15 mm-black hairy tongue ,linguavillosa

Swollen ,hyperemic fungiform papillae-strawberry tongue scarlet fever Familial dysautotonommia-absence of fungiform and circumvallate papillae.


*staging of OSTEOSARCOMA Stage-1 low grade lesions Stage II-high grade lesions Stage III-metastatic disease


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Substages A-intramedullary lesioin

B-local extramedullary lesion SITE distal proximity-best prognosis distal femur-inttermediate prognosis axial skelton-worst prognosis *hemangiomaas are associated with the following syndromes -RENDU OSLER WEBER SYNDROME -STURGE WEBER SYNDROME -KASABACH MERIT SYNDROME Reply Reply With Quote .

herculean appearance-congental myotonia Reply Reply With Quote . ageusia-complete loss of taste hypoguesia-impairement of senseof taste dysguesia-distortion orperversion in the perception of taste phantoguesia(aiims 2009) perception of taste in absence of taste cacoguesia-bad taste torquoguesis-twisted taste Reply Reply With Quote . hypermobilty of joints is seen in - OSTEOGENESIS IMPERFECTA, MARFAN

SYNDROME, DOWN SYNDROME

hypomobility of joints is seen in - achondroplasia Reply Reply WithQuote .

wrist drop or foot drop appearance is seen in lead poisoning cafealeut spots are seen in - neurofibroma, polystotic fibrous dysplasia, peutz

jeugher syyndrome, hypothyroidism

fish faceappearance -treacher collin syndrome herculean appearance-congenital myotonia sorrow ful appearance-myaesthenia gravis bird face-bilateral tmj ankylosis,treacher collin syndrome,piere robin

syndrome

mask like face-bells palsy ,scleroderma Reply Reply With Quote . test tube rete pegs-dilantin hyperplasis saw tooth rete pegs-lichen planus absence of rete pegs-oral submmucous fibrosis Reply Reply With

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selenium causes increase in th dental caries rate while vanadium decreasesthe dental caries rate Reply Reply With Quote .

epidermoid cysts are seen in - gardner syndrome, basal cell nevus syndrome,pachyonychia congenita


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*malignant melanoma cl***ification(PGI 2009) level I-tumor is confined to epidermis and is present above basement

membrane level II-tumor is confined to papillary epidermis,tumor is in radial growth

phase

levelIII-tumor cells found through out papillary dermis with impingement onthe reticular dermis

tumor iis in verical growth phase level IV-tumor cells are clearly in reticular dermis level V -tumor cells shows invasion of subcutaneous fat *cereberiform tongue tongue is seen in pemphigus vegetans

pale cells/dark cells-myxoma . glycogen free clear cells-acinic cell carcinoma glycogen rich clear cells-lateral periodontal cyst,gingival cyst of adult


tissue microcyst -cryptococossis reily bodies-hurler's syndrome trummerfield zone-vitamin c deficiency

oral pathology key points

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