Important Solved Questions-NBDE part2 -5

QUESTION: Pic of tongue one side with messed up: herpes zoster
QUESTION: Antivirals(wrong match)- azt with herpes zoster
QUESTION: Herpetic neuralgia seen after Herpes Zoster (complication of longer shingles) (hh3,
VZV)
QUESTION: Syphilis Chancre resembles herpes virus
QUESTION: Kaposi sarcoma by herpes 8
QUESTION: Kaposi sarcoma most likely on hard palate
Traumatic Neuroma:
QUESTION: A patient has a denture and a firm, swelling under the buccal flange midway
between incisors and molars. What is it? traumatic neuroma
QUESTION: Mandibular Denture: Lump hurts: Anterior to posterior areas cause is: traumatic
neuroma
Pyogenic Granuloma:
QUESTION: Picture said: “erythematous, bleeding swelling” mandibular swelling right next to
premolars on R side? pyogenic granuloma
QUESTION: Pyogenic granuloma develops RAPIDLY
QUESTION: Pink growth on palatal between canine and 1st pre? Papilloma, pyogenic granuloma,
peripheral ossifying, irritation fibroma?
QUESTION: Which lesion shows the most rapid change in size?
• fibroma
• *pyogenic granuloma
QUESTION: Which one is common in pregnancy and in normal condition–pyogenic granuloma
QUESTION: Patient is female and pregnant and is said to have this enlargement and picture has
it
on the corner of her mouth (vermillion border) and she said it just developed; the picture had it
shown as a boil and very red, said it bled, and was no painful – I went with pyogenic Granuloma
other option that could have made sense bc I didn’t know what it was a varix (dilated vein)
QUESTION: Picture… Lesion near labial comissure? Canditits Pyogenic Granuloma???
QUESTION: Lesion on gingival – if you press, it blanches and it bleeds easily – dx = pyogenic
GranulomaGiant Cell Granuloma:
QUESTION: Giant cell lesion found in bone what test would you run to help with diagnosis?
COMPLETE BLOOD TEST
Squamous Papilloma:
QUESTION: Lesion on the palate verrucous and pedunculated: Papilloma
QUESTION: The causes of Verrucus xanthoma? Unknown etiology,
QUESTION: Cauliflower looking lesion, no picture given – Papilloma
QUESTION: lesion in lip with cauliflower shape : PAPILLOMA – the most common benign
neoplasm of EPITHELIAL TISSUE ORIGIN. It appears as apedunculated (foot-shaped), or
sessile
whitish cauliflower-like mass on the tongue (posterior border), lips, gingiva, or soft palate.
QUESTION: The most common between five? 1-Papilloma 2-Rhabdomyoma 3-Leiomyoma 4-
Lymphangioma 5-Neurofibroma ans : papilloma
Fibroma:
QUESTION: Which one resembles Epilus Fissuratum – Fibroma (both share trauma as etiology)
PAPAILLARY HYPERPLASIA – ILL FITTING DENTURES ,HARD PALATE ( NUMEROUS
RED PAPILLARY PROJECTIONS) COBBLESTONE APPEARENCE
usually make new denture or modify; don’t just wear same denture)
QUESTION: Fibromas are a result of what dysfunction? HYPERPLASIA
EPULIS FISSSUTATUM IS DENTURE INDUCEDFIBROUS HYPERPLASIA
Granular Cell Tumor:
pseudoepitheliomatus hyperplasia: IS OVERLYING EPITHELIUM IS FREQUENTLY SEEN
IN GRANULAR CELL MYOBLASTOMA
QUESTION: Congential epulis histological similar to: , granular cell
MyoblastomaQUESTION: If you have leukoplakia for biopsy, do you incise or excise for biopsy? 1. Incision
(answer)
QUESTION: Leukoplakia all over- incise multiple areas w incisional.
Erythroplakia:
QUESTION: In smoker’s soft palate, theres red points, wut could it be?erythroplakia, initial
stages of SCC, nicotinic stomatitis (hard palate), etc.
QUESTION: Lesion commonly with dysplasia and carcinoma in situ—Erythroplalakia
QUESTION: White ppl have least oral carcinoma: or asian, Indian, blacks
QUESTION: Worse rate of SCC is in? I put Black men
QUESTION: Etiology of Squamous Cell Carcinoma, external factors and stress.
(alcohol, tobacco, UV radiation, certain HPV types, vitamin deficiency, immunocompromised,
iron
deficiency anemia – plummer Vinson syndrome…etiologies added from First Aid)
QUESTION: Xerostomia increases risk of SCC ???( I dnt kw)
QUESTION: lateral boarder of the tongue picture looked like squamous cell carcinoma
QUESTION: Which of the following has the best survival rate?
a. squamous cell carcinoma
b. adenocarcinoma
c. osteosarcoma
OSTEOSARCOMA> CHONDROSARCOMA<FIBROSARCOMA<EWINGS SARCOMA(rate
of malignancy)
QUESTION: SCC on tongue, What you do? IncisionalQUESTION: #1 risk factor for oral cancer Tobacco
QUESTION: Most likely site for SCC? Ventrolateral tongue (other choices were weird…palate
(least)…)
QUESTION: Beetle nut case SCC, xerostomia ? gingival recession ?
QUESTION: Pt has been a smoker (60 pack yr history); ulcer in lower lip, non-indurated; wuts
most
probable diagnosis? SCC
QUESTION: Most common malignancy in the oral cavity?
a. metastatic ca (most common malignancy found in bone)
b. basal cell ca (most common type of skin cancer)
c. epidermoid ca (aka SCC…I’m pretty sure this is the right answer…Xtina)
d. mucoepidermoid ca (most common salivary gland carcinoma)
e. adenoid cystic ca (second most cmoon salivary gland carcinoma)
QUESTION: Most malignant cancer in oral cavity? Epidermoid carcinoma ***SCC! (look it up)
IN DD MOST MALIGNANT WAS GIVEN AS BASAL CELL CARCINOMA.>SCC
QUESTION: Which of these is the most likely to become malignant? low grade
mucoepidermoid
carcinoma;
QUESTION: Radiographic Picture: image was upside down, had pink tissue-two teeth on
bottom, bump
on palate-what is the lesion? —SCC?
Leukoedema:
QUESTION: Leukoedema – blanches, no treatment
QUESTION: Leukoedema: Stretch and it disappears
QUESTION: dr stretches buccal mucosa, white, and spreads out thinner: leukoedema
QUESTION: Similar question: Which white lesion disappears upon stretching? Leukoedema
QUESTION: White on mucosa-no information-hyperkeratosis? Gauri put leukoedema;
SNOFF POUCH IS A FORM OF HYPERKERATOSIS WITH WHITE MUCOSAL CHANGE
IN TOBACCO HELD CHANGE
Leukemia:lymphocytic leukemia-involves Iymphocytes.
• Chronic lymphocytic leukemia runs a variable course (older patients may survive years
even without treatment). lymph node enlargement is the main pathologic finding. May
be complicated by autoimmune hemolytic anemia.
CML – Philadelphia chromosome (chromosomal translocation)**Chronic myelogenous
leukemia
QUESTION: Leukemia picture
o Says bleeding gums
o 20 yr old patient
o Been bruising easily
QUESTION: Leukemia Picture: young person that is fatigued and has a jacked-up mouth
QUESTION: Pic of kid with bleeding gums problem healing- leukemia
QUESTION: Most common type of leukemia in children? 1. ALL (answer) (lymphoblastic)
QUESTION: Pt had erythematous and gingival enlargement over past 5 weeks. And increased
report
of bruising on body – cause is acute leukemia:
QUESTION: A 6 years old patient has acute lymphatic leukemia. Her deciduous molar has a
large carious
lesion and furcation lucency. How will you treat this person?
a. pulpotomy
b. pulpectomy
c. extraction
d. nothing
QUESTION: An 18 year old man complains of tingling in his lower lip. an examination
discloses a
painless, hard swelling of his mandibular premolar region. the patient first noticed this swelling
three
weeks ago. radiograph indicate a loss of cortex and a diffuse radiating pattern of trabeculae in the
mass.
which of the following is the MOST likely diagnosis?
a. leukemia
b. dentigerous cyst
c. ossifying fibroma
d. osetosarcoma
e. hyperparathyroidism
Verrucous Carcinoma:
QUESTION: Best prognosis? Verrucous carcinoma in vestibule, verrucous carcinoma floor of
mouth,SCC floor of mouth, SCC in other areas
ANS .VERRUCOUS CARCINOMA IN VESTIBULE
QUESTION: smokeless tobacco : verrucous carcinoma
QUESTION: Verricus leukoplakia, HPV 16 and 18(HIGH RISK FORM OF LEUKOPLAKIA)
QUESTION: Verrucous carcinoma presents with
• warty lesion
• white ulcerated patch (that’s what it looks like on google images)
• smooth pedunculated lesion
• I put large warty mass- variant of SCC
(large broad based exophytic papillary leukoplakic lesion: Xtina, First aid)
Salivary Gland Tumors:
Most common salivary gland benign major & minor : Pleomorphic adenoma
Most common malignant minor: Adenoid cystic carcinoma(50-70%)
Most common malignant major& MINOR IS MUCOEPIDERMOID CARCINOMA
QUESTION: Most common salivary gland tumor: Pleomorphic adenoma
POLYMORPHOUS LOW GRADE ADENOCARCINOMA IS THE SECOND MOST
MALIGNANCY IN THE MINOR SALIVARY GLAND TUMOUR
ACINIC CELL CARCINOMA IS THE SECOND MOST PAROTID MALIGNANCY AND
THE SECOND MOST COMMON PADIATRIC SALIVARY GLAND
MOST COMMON SITE = MINOR GLANDS OF PALATE
*MOST COMMON TUMOR OF PAROTID GLAND*
QUESTION: Pleomorphic adenoma – most common benign tumor of salivary glands
QUESTION: which s most common salivary gland tumor pleomorphic adenoma and
mucoepidermoid
**Pleomorphic adenoma-most common belign
Mucoepidermoid: Most common malignant
QUESTION: Which of the salivary tumor glands has the best prognosis: Mixed Tumor, Adenoid
cystic carcinoma (perineural spread), Mucoepidormoid Carcinoma (most common)
Acinar Cell Carcinoma
ANS ;ACINIC CELL CARCINOMA (LOW GRADE MALIGNANCY)
QUESTION: Best prognosis for oral cancers: Adenomatoid od. Tumor, low-grade –, malig.
Mixed tumor
Benign Mixed tumor (pleomorphic adenoma) = best prognosis
Low grad mucoepidermoid is also good
ADENOCARCINOMA IS RARE BUT MOST AGGRESSIVEPOLYMORPHOUS LOW GRADE ADENOCARCINOMA IS THE SECOND MOST
COMMON MALIGANANCY
QUESTION: Adeno cystic carcinoma : neurotrophic factor and perineral invasion
81
QUESTION: Table 4. 3: swish cheese? adenoid cystic carcinoma

Adenoid cystic carcinoma
o High grade salivary malignancy
o Palate most common
o Most common malignant
o “swiss cheese” microscopic pattern
o spreads through perinueral spaces*****
Ameloblastoma:
Most common EPITHELIAL ODONTOGENIC TUMOR…mand molar area
QUESTION: Ameloblastoma histology : stellate reticulum in bell stage, epithelium in net flex
pattern
QUESTION: What cyst is ameloblastoma most likely to stem from? Dentigerous cyst
QUESTION: Which describes ameloblastoma best? I put local invasion
QUESTION: What is the most definite way to distinguish ameloblastoma from OK?
a.smear cytology
b.reactive light microscopy
QUESTION: Ameloblastoma case Q. You get a picture, slow progessing, other false choices
included
dentigirous cyst.
QUESTION: Multiluncency in bone and ramus: ameloblastoma

ameloblastoma
o benign, aggressive odontogenic tumor w/recurrence
o most common tumor

Ameloblastoma – consists entirely of odontogenic epithelium. MOST AGGRESSIVE
odontogenic tumor.
MOST COMMON epithelial odontogenic tumor.
Solid (multicystic or polycystic) – most aggressive kind and requires surgical excision
Ameloblastic Fibroma: compared to ameloblastoma – younger age, slower growth, does not
infiltrateQUESTION: A painless, well-circumscribed radiolucency and radioopacity in the posterior
mandible of
11yrs old boy. what is the differential diagnosis? Ameloblastic fibro –odontoma
QUESTION: Xray – Ameloblastic fibro odontoma/odontoma?
Odontoma:
QUESTION: pic of compound odontoma
82
QUESTION: x-ray of odontoma ( anterior lots of little tooth in the x-ray around the canine)
QUESTION: recognize odontoma— **compound odotoma—looks like a tooth more defined;
complex
odontoma—giant mass that is also radiopaque, but does not look like a tooth—
QUESTION: Syndrome with multiple odontomas-gardners syndrome
QUESTION: Picture of multiple small teeth within a radiolucency: compound odontoma,
pindborg
tumor, calcifying odontogenic
– The other tumor of mixed, (epithelial and mesenchynal) origin is the odontoma. These
calcilied iesions take one or two general configurations. They may appear as multiple
miniature or rudimentary teeth, in which case they are known as compound odontomas,
Adenomatoid Odontogenic Tumor (AOT):
QUESTION: AOT (Adenomatoid odontogenic tumor) radiograph picture
o Exact picture used
QUESTION: Max canine surrounded by lesion: AOT
QUESTION: 2/3 tumor: adenomatoid odontogenic tumor: 2/3rd in maxilla, 2/3 in female, 2/3rd
in anterior jaw
QUESTION: Radiolucency at the end of a tooth that looks like there might be an AOT but the
patient is
having symptoms (I wrote pericapical cyst)
QUESTION: Radiolucent lesion Between canine -lateral with radiopacity inside: adenomatoid
tumor
QUESTION: mixed density young child: AOT
QUESTION: AOT on xray- REMEMBER lesion goes to apex
83
QUESTION: A 16 year old boy. Xray showed maxillary anterior tooth with a radiolucency with
“SPECKS” in it (yes that’s the word that was used). Adenomatoid Odontogenic TumorAmelogenesis Imperfecta:
QUESTION: amelogenesis imperfecta is autosomal dominant.
QUESTION: Amelogenesis imperfect: X-ray: open contacts
QUESTION: Pictures of teeth, premolars just erupted. Thick dentin thin enamel, pulps not
obliterated, no contact – AI
QUESTION: Radiographic picture with large decay and radiolucency. In addition to periapical
radiolucency what other thing do you see? amelogenesis imperfecta (tooth lacks enamel)
QUESTION: Know the Imperfectas Amelogenisis: Hypoplastic pitting enamel
QUESTION: All of the following are congenital except…
a. dentinal dysplasia
b. amelogenesis imperfecta
c. regional odontodysplasia
d. ectodermal dysplasia
QUESTION: Question describing regional odontodysplasia: ghost teeth. (enamel, dentin and
pulp
are all affected. Non hereditary)
QUESTION: when does enamel hypoplasia occur: Altered matrix formation. (BELL STAGE)
DI vs Dentinal Dysplasia:
DI: Crowns are short & bulbous, narrow roots, obliterated pulp
DD: Short roots (sometimes rootless), obliterated pulp, sometimes PA RL, mobile teeth

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