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123 Cards in this Set

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what is:
a strictly clinical term, more descriptive actually
clinical dx of exclusion
clinically a white patch/plaque
premalignant
prognosis varies on location
Leukoplakia
what is:
something occurs > 40 yr, ave 60
70% males
recognized more now than past
4% transform to malignant
biopsy mandatory, unless obviously benign cause
Leukoplakia
name 3 things that are considered possible causes of Leukoplaki
Tobacco
alcohol
UV radiation
microorganisms
trauma
what is:
similar to actinic kearatosis, but on mucosa (lower lip)
fair skinned >45 yr, 10X male
blotchy pale area, blurr vermillion border
epi atrophy, solar elastosis, hyperkeratosis
permalignant, ulcerations. tx w sunscreen, biopsy suspicious
actinic cheilosis
3 clinical features of Leukoplakia are: 1. homogenous or thick leukoplaka
2. thin leukoplakia 3 granular or nodular leukoplakia
what are other 3?
4. verrucous or verruciform leukoplakia
5. proliferative verrucous leukoplakia
6. speckled leukoplaia or erythroleukoplakia
you see leukoplakia on floor of mouth, you're thinking
1
2
3
1. epithelial dysplasia or worse
2. hyperkeratosis
3. lichen planus
you see leukoplakia on tongue, ventral or lateral, you're thinking
1
2
3
1. epi dysplasia or worse
2. lichen planus
3. oral hairy leukoplakia
you see leukoplakias on tongue (dorsal), you're thinking
1
2
3
1 candidiasis
2 lichen planus
3 hyperkeratosis
what is:
associated w/ toothpaste/rinse containing something (what something? 80%) Pt develops a true leukoplakia
located in mx vestibule or mx alveolar mucosa
epi may show dysplasia but cancer risk unk
sanguinaria - associated keratosis

leukoplakia may persist for years even after cessation
what is PVL?
proliferative verrucous leukoplakia
what is:
concept: simple leukoplakia --> verrucal hyperplasia --> cancer
go thru verrucous carcinoma stage then to invasive SSE w/in 8 yrs
1:4 male female (tobacco no association)
lesions tend to slowly spread, rarely progress, dificult to eradicate despite therapy
PVL

proliferative verrucous leukoplakia
what is:
5% to 25% oral leukoplakias
microscopic changes (premalignant)
graded mild to ...
epithelial dysplasia

epi dysplaisa grades
1. mild, 2. moderate, 3. severe, 4. carcinoma in situ
what is:
enlarged nuclei & cells
large/prominant nucleoli
increased nuclear/cytoplasmic ratio
hyperchromatic nuclei
nuclear & cellular pleomorpism dyskeratosis, increased mitosis, abnormal mitosis
dysplasia
what else is seen with dysplasia microscopically?
dysplasia

bulbous rete pegs, loss of polarity
keratin or epi pearls
loss of typical cellular cohesiveness
leukoplakia is 77X more common
up to 90% of all erythroplakias represent severe epi dysplasia or worse
clinically red patch, clearly this
erythroplakia
what is:
well demarcated erythematous macule/plaque w/ soft/velvety texture. old men
floor of mouth, tongue,soft tissue often
symptomatic
may be adjacent or associated with leukoplakia
erythroplakia
why might a lesion be of concern clinically?

name 3
1. ulcers unrelated to trauma/infection
2. leukoplakia in floor of mouth
3. erythroplakias
4. mucocele-like lesions in locations other than lower lip, floor of mouth or ant. ventral tongue
5. palatal soft tissue masses
how is population doing on SCC?
over last 20 yrs % (HNSCC) decreasing, less tobacco

increase of tongue palatal tonsil, base of tongue in white 20-44 yr olds.
All other sites declined
what causes SCC?

name 5
1. tobacco (smoke/chew) 2. alcohol 3. radiation
4. iron or vit A deficiency 5. syphilis, candidal infection, oncogenic virus
6. immunosupression
7 oncogenes & tumor supressor genes
what is:
young - less alcohol/tobacco
sexually transmitted, late dx
in oropharynx often, low differentiation = better prognosis
HPV
subtypes HPV 16,18,31,33,45
unknown if HPV vaccines protect
oral cancer in oregon a problem
yes
369 cases in 2005
110 dead
compare: 39 female deaths from oral cancer vs. 42 from cervical cancer
clinical features of SCC

name 3
exophytic mass (mass forming)
endophytic (ulcerating)
leukoplakic (white patch)
erythroplakic (red) or erythroleukoplakic
grading of SCC
grade 1 -
grade 2 -
grade 3 -
grade 4 -
grade 1 - well differentiated (85%)
grade 2 - moderately "
grade 3 - poorly "
grade 4 - anaplastic (9%)
what is:
low grade SCC 1-10% oral carcinomas
spit related, other sites too
may be HPV associated
65-70 ave age, men mostly
metastasis rare, 90% 5 yr disease free
Veerrucous Carcinoma
what is:
rare SCC, dysplastic surface epi & invasive spindle element
sarcoma looking
often after radiotherapy
polypoid, rapidly growing, ave 57 yr
30% 5 yr disease free (high grade)
Spindle cell carcinoma
what is:
rare SCC (variant) combo of adenocarcinoma & SCC
posterior tongue, floor of mouth
prognosis?
adenosquamous carcinoma

poor prognosis
what is:
symptomatic for long time until fills sinus
elderly, few more males. palatal pain, "toothache"
protrusion of eye, nasal drainage
surgery & radiation tx, survival?
Carcinoma of max sinus

10-30% 5 yr survival rate
25X more common in south China. age 50-55 ave,
cervical lymph node involvement 1st sign 60% of time
tx? prognosis?
Nasopharyngeal Carcinoma

Tx: radiotherapy/chemotherapy
prognosis: good to poor, depending on stage
what is:
new lesion of upper aerodigestive tract, in hypopharynx/tongue base. in older smoking/drinking men
ave survival? Tx?
Basaloid Squamous Carcinoma

23 mo survival
tx: surgery then radiation
(80% have carvical mets @ time of dx)
what is:
locally invasive, spreads slow
80% of all skin cancers (85 H&N) b/c sun exposure
rarely metastasizes,
tx? prognosis?
Basal Cell Carcinoma

surgical excision, electrodesiccation, curettage,
excellent prognosis unless neglected
(30% chance of 2nd lesion)
what is:
age spots, liver spots (Senile Lentigo), benign frecle, macular lesion, brown/tan, sun damage, 90% whites over 70, dorsa hands, face/arms
Tx?
Actinic Lentigo

no Tx required
increased # of melanocytes & increased pigmentation of basal cells
what is:
macular pigmentations of unk cause, sun exposed skin usually
in children, but any age
increased # of melanocytes increased pigmentation of basal cells, Tx?
Lentigo Simplex

no Tx needed
what is:
oral pigmentation, focal increase of basal melanin pigmentation, b/c increased # of melanocytes
ave age 43, 2:1 female
lowe lip then buccal mucosa, solitary
Tx?
Oral Melanotic Macule

no tx needed except to rule out melanoma
a case of melanoma developing in a previously benign oral melanotic macule has been reported
what is:
benign & uncommon pigmented lesion of oral mucosa, brown/black
melanocytes scattered throughout thickness of epi
aquired & appears reactive
in blacks, females common, buccal mucosa 30-40's.
growth?
oral melanoacanthosis

may demonstrate rapid growth & resolve after removal of irritation
what is:
very common, 10-4- nevi/person
childhood develops to max before age 35, white women mostly. above waist w/ head & neck common site. w
what are 3 basic clinical types?
Malanocytic nevi

1. junctional
2. compound
3. intradermal
what is:
uncommon, palate & gingiva are most common sites
2/3 in females, 35 ave age
intradermal type most common
intraoral melanocytic nevi

most common type is intradermal type (intramucosal)
what are the variants of melanocytic vevus?

there's 4. 1. congenital melanocytic nevus. 2.3.4.
1. congenital melanocytic nevus
2. halo nevus
3. spitz nevus
4. blue nevus
congenital melanocytic nevus, present at age? _% population, 2 types: LG & SM b/c __cm, % in head and neck?
malignant?
present at birth, 1% population. >20cm lg. (otherwise sm) 15% head and neck area
- 5-10% of lg congenital melanoctic nevi ungergo malignant change
what is:
melanocytic nevus, pale hypopigmented border, immune attack of adjacent melanocytes
nevus often regresses, 2nd decade of life, location?
halo nevus

usually seen on trunk 2nd decade of life
what is:
uncommon, benign, most in childhood, extremities & face (not mouth)
architecture of compound nevus w/ spindle/ epithelioid cells TX?
Spitz nevus

tx: surgical excision
what is:
b/c proliferation of dermal melanocytes, blue/black appearance
2nd common orally, usually where?
elongated, dendritic, dermal mealocytes in subepithelial location
blue nevus
seen on palate, may occur at any skin or mucosal site, common sites are dorsa of hands/feet/face/scalp, sacral or butt
what is:
malignant neoplasm of melanocytes
melanoma.
pre exisiting melanocytic lesion or arise de novo
sun damage. acute damage worse, 2-8X change if relative has it
fair complexion = predispose
what is:
3rd most common skin cancer?
annual incidence increasing dramatically. 1 in 100 lifetime risk. ___% head and neck, __% extermities. prognosis bad if how thick?
Melanoma

5% of cutaneous malignancies
25% head/neck 40% extremities
bad prognosis if thicker than 1.7mm
what are 4 melanoma types?
1. lentigo maligna melanoma
2. ssm
3. nm
4. alm
1. lentigo maligna melanoma 5%
2. superficial spreading melanoma 70%
3. nodular melanoma 15%
4. acral lentiginous melanoma
ABCD's of melanoma
A - asymmetry
b - border irregularity
c - color variation
d - diameter greater than 6mm
BANS have worse prognosis
BANS?
B - Back - interscapular area
A - posterior Arm
N - Neck - posterial/lateral
S - Scalp
What is?
commoner in Japan/Uganda
<1% melanomas, 50's+. 4of 5 max mucosa.
starts brown/black and spreads - nodular then ulcerates
prognosis/Tx?
Oral Melanoma

poor prognosis 4-20% 5 yr survival
Tx: radical surgical excision
3 types of salivary glands?
serous glands
mucous glands
mixed mucous & serous glands
what is:
largest gland? almost completely what type? it's encapsulated, escapes from ___duct. nerve passes thru? contains lymph nodes
parotid glands
- largest gland, almost all serous
- encapsulated, Stenson's duct
- facial nerve passes thru
- contains lymph nodes
what is:
2nd largest gland. encapsulated. in submandibular triangle.
type of gland? duct name?
Submandibular Glands
- mixed - serious predominant
- in submandibular triangle
- Whartons Duct
what is:
smallest of glands (composite of 1 larger & several sm). No Capsule
location? duct?
Sublingual Glands
- mixed-mucous predominant
- floor of mouht, above myohyoid muslce
Bartholins duct & rivinus ducts
what is:
mostly mucous, throughout submucosa
Type? 3 glands (bn,ve,lg)
Minor Oral Salivary Glands

- Blandin & Nuhn: ant ventral tongue
Von Ebner - vallate papilla (serous)
Labial glands - mixed, perdominately mucous
what is:
severance of salivary duct, spills mucin into CT
kids/young adults common
where?
Mucous Escape Rxn
(mucocele)
seen in ant. ventral tongue, "superficial mucoceles" in palate & retromolar area
what is:
lined by ductal epi, partial obstruction of duct. age 42.8 yr old
Tx? rule out?
Mucous Duct Cyst (salivary duct cyst)
conservative surgical excision, rule out mucoepidermoid carcinoma
what is:
calcified mass, in duct
rare under age 20, 3:2 female
where? symptoms?
Sialolithasis

calcified mass in duct. common in submandibular gland. see swelling and pain
what is:
benign, inflammatory, self healing. arises spontaneously, afe age 48, male slightly more, asymptomatic palatal ulcer, confused w/ malignancy
Necrotizing Sialometaplasia
what is:
most mucous, located throughout submucosa. lingual glands mostly mucous, some all mucous
glands: B&N, goVE
Minor Oral Salivary Glands

Glandin & Nuhn: ant. ventral tongue
Glands of Vallate papilla (glands of Von Ebner) = pure serous
s
Salivary Gland neoplasms
PEARLS
for every 100 parotid tubors
X minor gland tumors
X submandibular gland tubors
X sublingual gland tumor
Salivary Gland neoplasms
PEARLS
for every 100 parotid tubors
40 minor gland tumors
15 submandibular gland tubors
<1 sublingual gland tumor
s of 200+ cases of oral minor salivary gland tumors
X = benign neoplasms
X= pleomorphic adenoma
X= canalicular ademoma
X= Oncocytoma
of 200+ cases of oral minor salivary gland tumors
56% = benign neoplasms
78%= pleomorphic adenoma
21% = canalicular ademoma
.8% = oncocytoma
s 5 most common minor salivary gland tumors
X - mixed tumor
X- Mucoepidermoid carcinoma
X- polymorphous low grade Ca
X - Canalicular adenoma
X - Adenoid Cystic Carcinoma
41% - mixed tumor
15- Mucoepidermoid carcinoma
11 - polymorphous low grade Ca
11 - Canalicular adenoma
9 - Adenoid Cystic Carcinoma
s what is: most common neoplasm of salivary gland origin, mixed tumors in mn glands rarely have capsules (well developed at least) mixed tumors of minor glands have litle propensity for reoccurance
locations?
PEARLS (pleomorphic ademoma)
Palate > upper lip > buccal mucosa > retromolar region
ave age 46 female 65 to 34 male
s what is:
occur in young, hard palate especially. salivary galnd tumors rare in lwoer lip, rare in upper lip yet most commin salivary gland tumor in lower (mimics mucocele). can occur central w/in jaw.
pearls - MEC
(mucoepidermoid carcinoma)
ave age 55, female 70:30
s what is:
favors upper lip (75%), misdx b/c non-encapsulated, multifocal, features of tubular pattern (adenoid cystic carcinoma)
Pearls - CA
Canalicular Adenoma

ave age 64, female 80:20
s what is:
called "Wolf in sheeps clothing" & "always gets a man"
tumors of minor glands may have worse prognosis
microscopic pattern makes a difference in survival rates
Pearls - ACC
Adenoid cystic carcinoma
s what is:
commonly misDx as adenoid cystic carcinoma, but better prognosis, occur in minor glands and never metastasize.
Pearls - PLGA
Polymorphous Low grade Adenocarcinoma
Palate 44% buccal 22% retromolar 11% ave age 64 female 55:44%
s what is:
"not otherwise specified" Pearl
Adenocarcinoma
Age 61, 3:1 female, palate, lip
s Other Pearls
Ca ex mixed tumor
Acinic cell carcinoma
Cystadenocarcinoma
Papillary cystadenocarcinoma
ages & locations?
Ca ex mixed tumor - male 37&75 yr old. buccal mucosa & retromolar
Acinic cell carcinoma - male age 57, lower lip
Cystadenocarcinoma - female, age 47 hard palate
Papillary cystadenocarcinoma - male age 35 buccal mucosa
s SUMMARY - ratio of benign to malignant is consistent w/ other reports. Pleomorphic adenoma is most common minor salivary gland neoplasm - excision of overlying mucosa might be indicated during excisional biopsy more (flip)
SUMMARY - palate is most common site for minor gland neoplasms (44%), benign neoplasms tend to be much more commin in lower lip. malignant neoplasms mrore common in lower lip
s what is:
benign growth of blood vessels, common non-epi salivary gland tumor
most common salivary gland tumor <1yr, 85% parotid, 2X females, involute by school age
Hemangioma
s Reactive/inflammatory lymph nodes, metastases to lymph nodes
tumor associated lymphoid response
lymphoma infiltrating gland/node
benign lymphoepithelial lesion BLEL - rare
Lymphoid lesions
s

what are the 5 epithelial neoplams Major glands - Benign
?
Pleomorphic adenoma
Basal Cell adenoma
warthins tumor
Adenoma, NOS
Oncocytoma
s what is:
most common salivary gland neoplasm 60-70% where? 40-70% where? ave age 41 yrs, female 2:1, Tx? recur?
Pleomorphic Adenoma (mixed tumor)
60-70% parotic gland tumor
40-70% minor gland tumor
afe age 41 yrs
may recur
s
what is:
2nd most common benign tumor, 73% where? ave age 58, 2:1 female, tx? recur?
Basal Cell adenoma
73% parotid
surgical tx similar to pleomorphic adenoma (complete surgical excision)
recurrance rate less than pleomorphic adenoma
s what is:
95% where? ave age 57, 1.2:1 male 96% white, 5-10% bilateral,
Pathognomonic microscopic pattern
superficial parotidectomy
Papillary Cystadenoma Lymphomatosum
(Warthins tumor)
s
what is:
78% parotids, 1 cell type, 64 yr old ave, may be multifocal, usually superficial parotidectomy
Oncocytoma
(oxyphilic adenoma)
s
what is:
not one of other recognized tumors, 66% mj glands, ave age 56 yrs, mor common in 5th-8th decades
intermediate to high grades
prognosis variable
Adenocarcinoma, NOS
s What is:
usually low grade, 81% parotid, 59% female, ave age 44, seen on superficail parotidectomy
best prognosis of all tumors
ACA
Actinic Cell Adenocarcinoma
s what is:
carcinoma ex mixed tumor
carcinosarcoma
malignant mixed tumor
Bad Pleomorphic Adenomas
s what is:
develops in previous benign pleomorphic adenoma
age 56 64% paraotid
histologic patterns
Agressive Tumor, Tx?
Carcinoma ex Mixed Tumor

Tx: wide surgical excision, lymph node dissection, radiation
s What is:
reactive hyperplasia of fibrous tissue, commonmost along bite line
usually smooth surfaced & normal color or pale, usually <1.5cm in diameter
4th to 6th decades, Tx?
Fibroma

Tx with excision
s 5% of oral fibrous proliferations
sessile or pedunculated, usually <1cm
surface papillary, may look papilloma-y. most common first 3 decades. 1/2 on gingiva.
microscope sees? Tx?
Giant Cell Fibroma

mic: Lg, multinucleated "stellate" fibroblasts & elongated rete pegs
Tx: surgical excision
s What is:
reactive fibrous & epithelial hyperplasia due to flange of ill fitting denture, older women more
1-2 rolls of redundant tissue facial to alveolar ridge.
firm, fibrous, may be focally ulcerated & erythematous
Tx?
Epulis Fissuratum
(inflammatory hyperplasia or denture injury tumor)
Tx: excision & constructino of better fitting denture
s what is:
reactive fibrous & epi hyperplasia, related to ill fitting denture, bad hygiene, in hard palate
red, papillary surface. see pseudoepitheliomatous hyperplasia
excie reactive tissue, new denture & leave denture out at night
inflammatory papillary hyperplasia
s what is:
reactive tumor like growth on gingiva
exuberant tissue response to trauma, red/purple tissue, freq. ulcerated, females, often prego, complete excision & removal of irritation
Pyogenic granuloma
s what is:
reactive tumor-like growth, on gingiva, ant. to molars, dark red/ulcerated, females.
cellular vascular stroma with osteoclast-like multinucleated giant cells, tx? recur?
Peripheral giant cell granuloma

tx: excision & removal of irritation
recur 10%
s what is:
reactive lesion seen only on gingiva, teens, young adults
2/3 female, ulcerated. fibrous proliferation w/ reactive bone or other calcified tissue
Tx? Recurrance?
Peripheral Ossifying Fibroma

tx: excise down to periosteum & remove irritation
16% recurrance
s what is:
benign umor of adipose tissue, ver common - but less in oral cavity
most common lcoations are buccal mucosa and vestibule, tongue, floor of mouth then lips
most pts age 40+ Tx?
Lipoma

Tx: conservative local incision
s what is:
exuberant attempt at repair of injured nerve
painful, common oral location is mental foramen, tx?
Traumatic neuroma

tx: excision
s what is: benign neural neoplasm composed of schwann cells. painless, well circumscribed, 25-5-% head/neck, in tongue or bone, usually solitary but may be neurofibromatosis associated.
encapsulated with Antoni A tissue & verocay bodies
Tx?
Neurilemma

Tx: surgical excision
s what is:
peripheral never neoplasm composed of mix of nerve lements: antoni A tissue not seen
slow growing painless, not enapsulated
solitary, associated w/ neurofibromatosis
skin is most freq location, but oral cavity too, tongue, buccal mucosa or bone, Tx?
Neurofibroma

Tx: local surgical excision
s made of granular cells of disputed histogenesis, favor schwann cell origin
any age, most tongue, 10% show pseudoepitheliomatous hyperplasia.
tx? recur?
Granular cell tumor

40% tongue, 50% incompletely excised, 10% recur , 10% multifocal
s what is:
present at birth, 90%female, 2X max gingiva/ant, 10% multiple
Does not have pseudoepitheliomatous hyperplasia
Tx?
Congenital Epulis

does not recur after simple surgical excision
s what is:
benign proliferation of blood vessels, many are hamartomatous in nature. 12% kids have 1+, most common head/neck, Tx?
Hemangioma

surgery, laser, cryotherapy
emobilization, sclerosing agents, pressure
many undergo involution
s what is:
congenital hemangiomas, involves 1 side of face & meninges. may have neruologic disorders
convolutional calcifications on skill
may involve oral mucosa and jaws (vascular gingiva proliferations can resemble pyogenic granulomas
Sturge Weber Angiomatosis
(encephalotrigeminal Angiomatosis)
s what is:
benign hamartomatous tumors of lymph vessels. Arbitrary classification: lymphaginoma simplex, cavernous lymphangioma, cystic lymphangioma
75% head/neck, post triangle, 90% by age 2. oral lesions on ant 2/3 tongue, Tx?
Lymphangioma

Tx: surgery is tx of choice
s what is:
markedly dilated lymph vessels
most common in neck/axilla
may become massive
mortality 2-6%
cystic hygroma
s benign muscle neoplams vs malignant muscle neoplasms. name striated muscle vs smooth muscle.
benign
striated - rhabdomyoma
smooth - leiomyoma
malignant
striated - rhabdomyosarcoma
smooth - leiomyosarcoma
s what is:
benign neoplasm of smooth m. rare in oral cavity, often uterus & GI. most oral cases from blood vessels (vascular leiomyomas)
other locations?
pain?
Tx?
Leiomyoma

also in lips, palate, tongue cheek, most are painless, but hurt occasionally
Tx = surgical excision
s what is:
benign neoplasm of skeletal m.
head/neck main sites, oral, FOM, tongue soft palate, buccal, multinodular or multifocal,
Tx?
Rhabdomyoma

Tx: excision
s what is:
unusual vascular neoplasm, seen w/ HHV8, multicentric, 4 clinical presentations?
Kaposi's sarcoma
1. classic
2. endemic
3. latrogenic immunosuppression-associated
4. Aids Related
s Kaposi's 3 stages?

microscopic features range from granulation tissue type appearance to fibrosarcoma type spindle cell proliferation
Prognosis?
Kaposi's Sarcoma
1. patch (macular)
2. plaque
3. Nodular
prognosis and therapy varies w/ clinical subtype and stage of disease
s what is:
effects 90% men, late adult life, "chronic" form of disease, italian, jwish, slvic descent, lsow growing red plaques & nodules on skin & lower extermities,
often get lymphoreticular malignancy
10-20% mortality in 8-13 years
Kaposi's Sarcoma

Classic Type
s there are four types of African Endemic type of Kaposi's sarcoma:
1. BN - similar to classic but in young adults
2. A or I - progressive development and invasive
3. F - rapidly progressive & widely disseminated, often visceral involvement
4. L - primarily young black kids, generalized rapidly growing tumors of lymph nodes & viscera
1. Benign Nodular - similar to classic but in young adults
2. Aggressive or Infective - progressive development and invasive 3. Florid - rapidly progressive & widely disseminated, often visceral involvement
4. Lymphadenopathic - primarily young black kids, generalized rapidly growing tumors of lymph nodes & viscera
s Kaposis sarcoma type ?
it is most often in organ transplant pt's, .4% of kidney transplant pt's , probably due to loss of cellular immunity
similar racial predilection as classic form
may run more aggressive course than classic
Iatrogenic Type
s What is:
most common in usa, begins a single lesion on skin/mucosa
trunk,arms,head & neck common
oral lesions seen in 50% of AIDS Kaposi's pt's
Progressive w/ wide dissemination to lymph nodes & organ systems, Tx how?
AIDS related type

tx: HAART & sometimes local chemotherapy
s what is:
malignant neoplasm of striated muscle, common soft tissue sarcoma of children. 1st decade, 40% head & neck, painless, rapidly growing mass, may be botryoid, before 60's, 90% fatal now 63%
microscopic pattern?
Rhabdomyosarcoma

microscopic patterns
1. embryonal (1st decade)
2. alveolar (age 16)
pleomorphic (age 50)
s what is:
malignant peripheral nerve tissue, 50% of neurofibromatosis, most commin in proximal portions of extremitites & trunk
mandible, lips, buccal muclosa
Tx? 5 yr? common w/ who?
Neurogenic Sarcoma

commonmost w/ young adults
-neurofibromatosis, age 29
de novo - age 40
5 yr: 16% (neurofibromatosis) 53% (others)
s What is:
malignant tumor of fibroblasts, most common in extremities, 10% head/neck - most in nose/paranasal sinuses, more in young adults/kids
slow growing mass. Tx? 5 yr? Spindle cells often in herringbone pattern
Fibrosarcoma
s what is:
has both fibroblastic & histocytic differentiation - used to be most common soft tissue sarcoma in adults (older)
extermitites & retroperitoneum most common, rare head/neck
Tx? recurrance?
MFH
Malignant Fibrous Histiocytoma
(pleomorphic sarcoma)
tx w radical surgical resection
40% recurrance, 40% metastasis
s what is:
malignant tumor of muscle (smooth), most common in GI tract (rare orally), middle age/older, appears nonspecific mass, microscopic spindle shaped cells w/ pink cytoplasm
Tx? prognosis?
Leiomyosarcoma
Tx: excision, sometimes with chemo/radiation
prognosis (oral) - poor
s What is: malignant neoplasm of fatty origin, 2nd most common soft tissue malignancy in adults. most common thughs, retroperitoneum, & inguinal region, rare head/neck. peaks 40-60. soft/slow growing, ill defined mass
pain/tenderness uncommon
Tx? recurrance? 5 yr?
Liposarcoma

Tx: radical excision, 505 recurrance, 57-70% 5 yr survival
melanocytic lesion shave pigment in 2 says - endogenous & exogenous. 2 examples of each?
endo
1.melanin 2. blood/hemosiderin
exo
1. heavy metals pigmentation
2. foreign materials
melanin pigmentation comes from melaocytes, tell 3 facts about melanocytes
Neural crest origin
clear cell in epithelium
possess dendritic processes
ability to form melanin
may give rise to melanoma
what is:
occurs in mucosa/any race (dark's more affected)
symmetrical involment & flat (macular)
normal # melanocytes, increased amnt of melain in basal cell layer
melanoplakia
(physiologic pigmentation)
what is:
common pigment of skin, <3mm, fair skin, dark b/c sun, increase in melanin w/ normal to slightly less # melanocytes
sunscreen/avoid sun will decrease / lighten lesions
ephelis (freckle)
what is sun induced/symmetrical hyperpigmentation of face/neck
midface/forehead, upper lip, chin. pregnant, or contraceptives, protect from sun helps
Melasma (mask of pregnancy)
what is:
rare 1/100K, TB old #1 cause, now leukemic infiltrate/ amyloidosis
decreases adrenal cortical hormones, pit to increase ACTH which has MSH type effect on melaocytes
pigmentation is eary sign, dark elbows, knees, knuckles,
addison's disease
(chronic adrenal cortical deficiency)
what is:
autosomal dominant, dark freckling around orifaces - oral mucosa/fingers, intestinal polyps common - hamartomatous, can be seen throught GI tract, esp Sm Intestine.
Peutz Jegher Syndrome
what is:
light brown macular pigmentation that may be associated w/ syndromes.
coast of cali / maine
Cafe-au-lait pigmentation

cali - neurofibromatosis
maine - polyostotic fibrous dysplasia
match
mcCune Albright synd.,
Jaffe's type of fibrous dysplasia w/
- less severe w/o endocrine distrbances
- more severe w/ endocrine distrubances
mcCune Albright synd
Jaffe's type of fibrous dysplasia = more severe w/ endocrine distrubances
Jaffe's type of fibrous dysplasia = less severe w/o endocrine distrbances
what is:
common 10-40/person. max # by 35, white women, above waist, H&N, form these:
Acquired Melanocytic Nevi

form Jxnal, compound & intradermal
slip slap slop?
slip on a shirt
slap on a hat
slop on the sunscreen
melanoma - changes that may hearld transformation of the bnign lesion to malignant one:
- rapid change size/color
- inflammation
- bleeding
- ulceration
- appearance of pigment around lesion