Head and Neck Flashcards Preview

Pathology > Head and Neck > Flashcards

Flashcards in Head and Neck Deck (41)
Loading flashcards...
1

main cause of tooth loss before 35

dental caries

2

bacterial causes of periodontitis

Aggregatibacter (Acitinobacillus)
Porphyromas
Prevotella

3

Diseases associated with canker sores

celiac disease
IBD
Behcet disease

4

[diagnosis: oral cavity]

repetitive trauma; focal fibrous hyperplasia

irritation fibroma

5

[diagnosis: oral cavity]

pregnancy tumor, highly vascular, can lead to peripheral ossifying fibroma

pyogenic granuloma

6

[diagnosis: oral infection]

presence of vesicles/bullae with serous fluid and painful uceration

histo: intracellular edema, intercellular edema, multinucleate polykaryons

what is the causative agent

HSV1 and 2

7

[diagnosis]

superficial gray/white membrane (can be scraped off) with erythematous based; superficial except in immunosuppression

oral candidiasis

8

[diagnosis: precancerous lesion]

plaques cannot be scraped off, acanthotic, hyperkeratotic but orderly epithelium

leukoplakia

9

[diagnosis: precancerous lesion]

plaques cannot be scraped off; severely dysplastic; more ominous than leukoplakia

erythroplakia

10

risk factors of squamous cell CA of head and neck CA

smoking
alcohol
betel quid
paan
actinic radiation
pipe smoking (lower lip)
HPV infection

11

[odontogenic cysts]

lined by stratified squamous, with chronic inflammation, usually solitary, associated with impacted third molar; can recur with incomplete excision

dentigirous cyst

12

[odontogenic cyst]

lined by keratinized stratified squamous epithelium, prominent basal layer and corrugated epithelial surface; solitary within posterior mandible;

locally aggressive

associated with BCCA syndrome

keratogenic odontogenic tumor or Odontogenic keratocysts

13

___ syndrome

nevoid BCCA with odontogenic keratocyts

Gorlin syndrome

14

most common type of odontogenic tumor

odontoma

15

[diagnosis: odontogenic tumor]

no ectomesenchymal differentiation

epithelial cells lined with palisading columnar cells with nuclei away from basement membrane (basaloid); central part has loose network of cells resembling stellate reticulum

locally invasive, recurs with incomplete excision

amenoblastoma

16

[diagnosis]

stellate reticulum

amenobalstoma

17

[diagnosis]

masses with edematous mucosa and loose stroma, often with hyperplastic or cystic mucous glands and inflammatory cells

rhinitis

18

chronic sequelae can lead to formation of nasal polyp

rhinitis

19

Causes of laryngoepiglotitis

RSV, HiB, GABHS

20

Causes of croup

paramyxovirus

21

[diagnosis: larynx]

hoarseness, lining of squamous epitheoum, core of loose myxoid connective tissue

never give rise to cancer

vocal vord nodules and polyps

22

[diagnosis]

elderly male (60y/o above)
persistent hoarseness, dysphagia, dysphonia

laryngeal CA

23

[diagnosis: ears]

most common cause of primariS. pneumoniae, non-typable H. influenzae, M. catarrhalis

otitis media

24

[diagnosis: ears]

common complication of chronic otitis media

lining: keratinizing stratified squamous or metaplastic mucus-secreting containing amorphous debris

cholesteatoma

25

[diagnosis: neck]

remnant of second branchial arch, upper lateral neck mass along SCM; malignant transformation are rare

branchial cleft cyst or
cervical lymphoepithelial cyst

26

most common congenital anomaly of thyroid gland

thyroglossal duct cyst

27

[diagnosis: neck]

neuroendocrine neoplasm associated with ANS

paraganglioma

28

[location of paraganglioma]

organ of zuckerkandl, bladder; sympathetic innervation, positive chromaffin stain

paravertebral

29

[location of paraganglioma]

seen in carotid bodies; parasympathetic innervation, chromaffin negative

aorticopulmonary strain

30

[diagnosis]

zellballen with delicate vascular septa; uniform, round to ovoid; "salt and pepper chromatin"

(+) neuroendocrine markers, S-100 (+) sustentacular cells

paraganglioma