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PATHO SKIN

QuestionAnswer
Neoplasm of melanocytes Tan-brown uniformly pigmented, small macules or papules with well-defined rounded borders MELANOCYTIC NEVUS or PIGMENTED NEVUS
Most deadly of all skin cancers borders are irregular and often notched clinical signs are changes in the color, size, or shape of a pigmented lesion MELANOMA
Small, round, flat, pore-like ostia impacted with keratin; coin-like plaques Uniformly tan-brown with velvety to granular surface --> receptor-3 (FGFR3) SEBORRHEIC KERATOSES
2nd most common tumor arising on sun-exposed sites In situ carcinoma appear as red scaling plaques Advanced lesions are nodular and may ulcerate --> p53 SQUAMOUS CELL CARCINOMA
Most common invasive cancer in humans Slow-growing tumors, rarely metastasize Have a tendency to occur at sun-exposed sites & in lightly pigmented people pearly papules often containing prominent, dilated subepidermal blood vessel BASAL CELL CARCINOMA
Squamoproliferative disorders caused by human papillomaviruses Direct contact between individuals or autoinoculation Generally self-limited, regressing spontaneously within 6 months to 2 years VERRUCAE (WARTS)
the most common type of wart occur on the hands, particularly on the dorsal surfaces and periungual areas Verruca vulgaris
face or the dorsal surfaces of the hands slightly elevated, flat, smooth, tan papules Verruca plana, or flat wart
occur on the soles and palms, respectively Verruca plantaris and verruca palmaris
occurs on the penis, female genitalia, urethra, perianal areas, and rectum caused by HPV 6 and 11 Condyloma acuminatum or venereal wart
Inflammation of the oral mucosa Gingival erythema, edema, bleeding, changes in contour, and loss of soft tissue adaptation to the teeth GINGIVITIS
Inflammatory process that affects the supporting structures of the teeth, alveolar bone, and cementum PERIODONTITIS
Most common fungal infection of the oral cavity Immune status of the individual, the strain of C. albicans present, and the composition of an individual’s oral flora ORAL CANDIDIASIS
“Thrush” Superficial, gray to white inflammatory membrane composed of matted organisms enmeshed in a fibrinosuppurative exudate that can be readily scraped off to reveal an underlying erythematous inflammatory base ORAL CANDIDIASIS PSEUDOMEMBRANOUS FORM
Earliest lesion Nests of round cells that grow along the dermoepidermal junction Junctional nevi
Nevi cells are seen entirely in the dermis Intradermal Nevi
Nests of nevi cells are seen within the dermis and dermoepidermal junction Compound Nevi
Sticky, colorless, biofilm that collects between and on the surface of the teeth Mixture of bacteria, salivary proteins, and desquamated Epithelial cells Dental plaque
Multiple basal cell carcinomas accompanied by tumors, odontogenic keratocysts, and pits of the palms and soles Nevoid basal cell carcinoma syndrome Gorlin syndrome
abrupt onset of vesicles and ulcerations of the oral mucosa with lymphadenopathy, fever, anorexia, and irritability Acute herpetic gingivostomatitis
ODONTOGENIC CYSTS: originates around the crown of an unerupted tooth Radiographically, they are unilocular lesions and are most often associated with impacted third molar (wisdom) teeth Dentigerous Cyst
ODONTOGENIC CYSTS: Occur most frequently in the third molar region of the mandible Radiographically- unilocular or multilocular radiolucencies Odontogenic Keratocyst (OKC)
ODONTOGENIC CYSTS: Most frequently encountered cyst of the jaws Inflammatory in origin Extremely common lesions found at the apex of teeth The inflammatory process may give rise to a periapical abscess Radicular Or Periapical Cyst
Arises from odontogenic epithelium Commonly cystic, slow growing, and locally invasive but has an indolent course Ameloblastoma
Odontogenic tumors featuring production of calcified parts of teeth Arises from epithelium but shows extensive depositions of enamel and dentin Usually occur in the alveolar ridge of the mandible or maxilla Odontoma
“A white patch or plaque that cannot be scraped off and cannot be characterized clinically or pathologically as any other disease” LEUKOPLAKIA
Created by: nixieee
 

 



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