Day 8.1 Oncology Flashcards
Hallmarks of cancerous cells
Evade apop self-sufficient growth signals insensitive to anti-growth signals sustained angiogenesis limitless replication tsu invasion metastasis
hyperplasia
increased # of cells
dysplasia
abn prolif of cells w loss of size/shape/orientation
commonly pre-neoplastic
anaplasia
abn cells lacking differentiation. don’t resemble original cell at all, bc have de-differentiated and lost characteristics
when cells are anaplastic, it is hard to identify where they came from.
in-situ carcinoma
pre-invasive
neoplastic cells have not invaded BM
have a high nuclear:cytoplasmic ration and clumped chromatin
neoplastic cells encompass entire thickness of the area
tumor cells are mono-clonal
Invasive carcinoma
cells have invaded BM using collagenases and hydrolases
if they reach a lymph vessel or blood vessel, they can metastasize
Metastasis
spread to distant organ via blood (mesenchymal) or lymph (epithelial)
must survive immune attack
seed/soil theory- must deposit, adhere, develop own blood supply
angiogenesis allows for tumor survival
decreased cadherin,
increased laminin,
increased integrin receptors
metaplasia
one adult cell type is replaced by another cell type
often secondary to irritation/env exposure
eg smokers get squamous cell metaplasia in trachea, bronchi
neoplasia
clonal proliferation of cells that is uncontrolled and excessive
desmoplasia
fibrous tsu formation in response to neoplasm
do cancers become less differentiated or more differentiated as they grow?
LESS differentiated.
hamartoma
mass of mature tsu that is endogenous to the site where it’s found.
like hyperplasia.
features of anaplastic cells
high nucleus to cytoplasm ratio
prominent nucleoli
nuclear chromatin clumping
many mitotic figures
tumor grade
degree of cellular differentiation dep on histological appearance
grade is 1-4 based on how much differentiation and number of mitoses.
grade 4 is the least differentiated (worst)
grade = character of tumor itself
(stage = spread)
tumor stage
stage = spread degree of localization/spread based on site/size of primary lesion, spread to regional lymph nodes, presence of metastases TNM: T= size of Tumor N= Node involvment M= Metastases
Which is more prognostic, tumor grade or stage?
Stage
How do epithelial tumors spread? Mesenchymal tumors?
Mesenchymal (loose CT) tumors spread thru blood
Epithelial tumors spread thru lymph
Classify: osteoma
benign bone tumor
classify: angiosarcoma
malignant blood vessel tumor
classify: rhabdomyoma
benign skel musc tumor
classify: papillary carcinoma
malignant epithelial cell tumor
classify: leiomyosarcoma
malignant smooth musc tumor
classify: leukemia
malignant blood cell tumor
classify: lipoma
benign fat tumor
classify: osteosarcoma
malignant bone tumor
classify: hemangioma
benign blood vessel tumor
classify: adenoma
benign epithelial cell tumor
classify: leiomyoma
benign smooth musc cell tumor
uterine fibroids
classify: papilloma
benign epithelial cell tumor
classify: adenocarcinoma
malignant epithelial cell tumor
classify: lymphoma
malignant blood cell tumor
classify: lipsarcoma
malignant fat cell tumor
classify: multiple myeloma
malignant blood cell (b cell) tumor
classify: rhabdomyoma
benign skel musc tumor
Tumors w >1 cell type
benign: mature teratoma (women) aka dermoid tumor
malignant: mature teratoma (men) or immature teratoma
What is the difference between carcinoma and sarcoma?
Carcinoma = epithelial origin
Sarcoma = mesenchymal origin
BUT both are malignant.
T/F most mesenchymal tumors do NOT go from benign to malignant tumors
True
Benign v Malignant tumor differences
Benign = well differentiated (mature, resemble tsu they come from), slow well-organized growth, well demarcated- no BM invasion, and no metastasis
Malignant - poorly differentiated (aka anaplastic), erratic growth, local invasion, diffuse, may mestastasize
Stain for connective tsu
vimentin
Stain for neuroglia
GFAP
Stain for epithelial cells
cytokeratin
Stain for muscle
desmin
stain for neurons
Neurofilaments (that’s the name of the stain)
Stain for carcinoma (and some sarcomas)
Cytokeratin (stains epithel cells)
Stain for Rhabdomyosarcoma
Desmin (Stains muscle)
Stain for Sarcomas (and some carcinomas)
Vimentin (stains conenective tsu)
Stain for leiomyosarcoma
Desmin (stains muscle)
Stain for adrenal neuroblastoma
Neurofilaments
Stain for primitive neuroectodermal tumor
Neurofilaments (Stains neurons)
Neoplasm in Down syndrome
ALL (we ALL fall DOWN)
AML
Neoplasm in xeroderma pigmentosum (thymidine dimer repair defect) and albinism
melanoma
basal cell carcinoma
sq cell carcinoma of the skin (esp this one)
Neoplasem in chronic atrophic gastritis, pernicious anemia, or post-surgical gastric remnants
Gastric adenocarcinoma
neoplasm in Tuberous sclerosis (facial angiofibroma, seizures, MR, ash leaf spots)
astrocytoma (10% of pts)
angiomyolipoma
cardiac rhabdomyoma (2/3 of pts!!)
Neoplasm in actinic keratosis (sandpaper lesions on sun-exposed skin)
sq cell carcinoma of the skin
neoplasm in barrett’s esophagous (chronic GI reflux)
esophageal adenocarcinoma
Neoplasm in plummer-vinson syndrome (atrophic glossitis/smooth tongue, esophg webs (causing aphagia), anemia- all d/t iron def)
sq cell carcinoma of the esophg
Neoplasm assoc w cirrhosis (alcoholic, hep B or hep C)
hepatocellular carcinoma (screen all pts w aFP)
neoplasm in ulcerative colitis (and crohns, but less so)
colonic adenocarcinoma
neoplasm in paget’s dz of bone
secondary osteosarcoma and fibrosarcoma
neoplasm in immunodeficiency states
malignant lymphomas
neoplasm in AIDS pts
aggressive malignant lymphomas (non-hodgkin’s)
kaposi’s sarcoma
neoplasm in autoimmune dz (eg hashimoto’s thyroiditis, myasthenia gravis)
Lymphoma
Neoplasm in acanthosis nigricans (hyperpigmentation and epidermal thickening)
visceral malignancy (stomach, lung, breast, uterus)
neoplasm in dysplastic nevus
malignant melanoma
neoplasm in radiation exposure
sarcoma, papillary thyroid cancer
Neoplasm in ataxia-telangiectasia (DNA repair defect)
Lymphomas
Acute leukemias
Neoplasm in Sjogren’s syndrome (dry mouth, dry eyes)
B cell lymphoma
Rx for actinic keratosis (sandpaper lesions on skin)
5-fluoruracil cream (turns the spots beefy red)
What does acanthosis nigricans usu indicate?
Diabetes
But, if it’s NEW ac nig in pt >40yo, 50% of the time it will be d/t visceral cancer.
neoplasm in achalasia (narrowing of LES)
sq cell carcinoma of the esphg
What are oncogenes?
Genes that, when mutated, cause a GAIN of function, and therefore cause cancer.
Only need damage to ONE allele since it gains fn by mutation.
List the oncogenes
abl c-myc bcl-2 erb-B2 ras (K-ras, N-ras, H-ras) L-myc N-myc ret c-kit
Oncogene abl a/w which tumor?
CML
gene product is a non-receptor tyrosine kinase
Oncogene c-myc a/w which tumor?
Burkitt’s lymphoma
Oncogene bcl-2 a/w which tumor?
follicular and undifferentiated lymphomas (inhibits apoptosis)
Oncogene erb-B2 a/w which tumors?
breast, ovarian, and gastric carcinoma
Oncogene L-myc a/w which tumor?
Lung tumors- esp small cell lung cancer
Oncogene N-myc a/w which tumor
Neuroblastoma (adrenal!)
What histology is seen in adrenal neuroblastoma?
Homer-Wright rosettes
Oncogene c-kit is a/w which tumor?
GIST: gastrointestinal stromal tumor
Oncogene ret is assoc w which tumors?
MEN 2A and 2B
medullary carcinoma of the thyroid
papillary carcinoma of the thyroid
Oncogene Ras is a/w which tumors?
Follicular thyroid carcinoma
H-ras: bladder and kidney tumors
K-ras: Kolon, lung, panKreatic tumors
N-ras: melanomas, hematologic malignancies
What is a tumor supressor gene?
Usually suppresses tumors, mutation means LOSS of function. Have to lose BOTH alleles before there is dz, since if you lose one, the other is still working to suppress.
List the TSGs
Rb BRCA1, BRCA2 p53 p16 APC WT1 NF1, NF2 DPC, DCC
TSG Rb a/w which tumor?
Retinoblastoma
and (!) osteosarcoma
TSGs BRCA1 and BRCA2 a/w which tumors?
BRCA1- breast and ovarian cancer
BRCA2- breast cancer
TSG p53 is a/w which tumors?
Most human cancers
Li-Fraumeni syndrome
TSG p16 is a/w which tumor?
Melanoma
TSG APC is a/w which tumor?
Colorectal cancer (a/w FAP) Gardner's syndrome
TSG WT1 a/w which tumor?
Wilms’ tumor
TSGs NF1 and NF2 a/w which tumor
Neurofibromatosis Type 1 (von Recklinghausen)
Neurofibromatosis Type 2 (bilateral acoustic schwanomas)
TSGs DPC and DCC a.w which tumors?
DPC = Deleted in Pancreatic Cancer DCC = Deleted in Colon Cancer
T/F the best way to dx is by tumor marker
False. Do not dx. Only confirm, monitor for tumor recurrence, monitor response to therapy.
PSA
Prostate-specific Ag
Used to screen for prostate carcinoma
But, is elevated in any prostate pathology- BPH, prostatitis, etc.
Prostatic acid phosphatase
Tumor marker for prostate carcinoma
CEA
Carcinoembryonic Ag
Tumor marker- v non-specific, but made by 70% of colorectal and pancreatic cancers. Also made by gastric and breast carcinoma
alpha-Feto Protein
Normally made by fetus
Used as a tumor marker for hepatocellular carcinomas (screen HBV and HCV pts for aFP)
Also marker for non-seminomatous germ cell tumors of the testis (eg yolk sac tumor, aka endodermal sinus tumor)
B-hCG
Normal in pregnancy
Tumor marker for hydatidiform moles and choriocarcinomas (and molar pregnancy is a precursor to choriocarcinoma)
CA-125
Tumor marker for ovarian and malignant epithelial tumors.
Any peritoneal irritation will cause increased CA-125, so not good for screening for ovarian, but ovarian might have it.
S-100
Tumor marker for:
melanoma
neural tumors
astrocytoma (in tuberous sclerosis)
Alk Phos
alkaline phosphatase
Tumor marker for metastases to bone, obstructive biliary dz, or paget’s dz or bone
Bombesin
Tumor marker for neuroblastoma (adrenal), lung, and gastric cancer
TRAP
Tartrate-resistant acid phosphatase.
Tumor marker for hairy cell leukemia (B cell neoplasm)
TRAP the HAIRY animal.
CA-19-9
Tumor marker for pancreatic adenocarcinoma
HTLV-1 is assoc w which cancer?
Human Tcell Leukemia/Lymphoma-1
HBV and HCV are a/w which cancer?
Hepatocellular carcinoma (see increased aFP) HCV is also assoc w papillary thyroid carcinoma
EBV is a/w which cancer?
Burkitt’s lymphoma
Nasopharyngeal carcinoma
Hodgkin’s lymphoma
Oral hairy leukoplakia
HPV is a/w which cancer?
Cervical carcinoma (16, 18) Penile/anal carcinoma Vulvar epithelial carcinoma, vulvar cancer
HHV-8 is a/w which cancer?
Body cavity fluid B-cell lymphoma
Kaposi’s sarcoma
Aspergilis aflatoxin a/w which cancer?
Hepatocellular carcinoma
Vinyl chloride exposure is a.w which cancer?
Angiosarcoma in the liver (blood vessels of liver)
CCl4 is a/w neoplasm in what organ?
Liver- centrolobular necrosis, fatty chg)
Nitrosamines from smoked foods cause neoplasms in what organs?
Esophg, Stomach
Cigarette smoke is a carcinogen to which organs?
Larynx (sq cell carcinoma)
Lung (sq cell and sml cell carcinoma)
Kidney (renal cell carcinoma)
Bladder (transitional cell carcinoma)
Asbestos causes which cancer?
Lung cancer:
Brochogenic carcinoma
Mesothelioma
Arsenic causes which cancer?
Skin- sq cell carcinoma
Liver- angiosarcoma (blood vessels of liver)
Naphthalene (aniline) dyes a/w which cancer?
Bladder- transitional cell carcinoma
Napthalene is found in moth balls too.
Alkylating agents (cancer drugs) can cause which cancer?
Blood cancers- leukemia
Radon (coal mines, basements) causes which cancer?
Lung cancer
What cancer does Schistosoma cause?
sq cell carcinoma of the bladder (transitional epithelium)
What cancer is a/w H. pylori?
Gastric adenocarcinoma and lymphoma
What cancer is a/w HIV?
Primary CNS lymphoma
note: Kaposi’s is in AIDS pts, but it’s caused by HHV-8
What cancers cause increased ADH, leading to SIADH?
small cell lung carcinoma and intracranial neoplasms (or any CNS disorder) Causes hyponatremia (bc holding in too much water, so diluted), and decreased serum osmolarity
What cancers cause increased ACTH or ACTH-like peptide?
small cell lung carcinoma
The increased ACTH causes increased cortisol and Cushing’s syndrome.
What cancers cause increased PTH-rp (related protein), which leads to hypercalcemia, and also increases TGF-B, TNF, and IL-1
small cell lung carcinoma, renal cell carcinoma, breast carcinoma, and multiple myeloma
What are the neoplasms that increase EPO, leading to polycythemia?
Renal cell carcinoma, hemangioblastoma, hepatacellular carcinoma, and pheochromocytoma
Which cancers cause Ab against presynaptic channels at the NMJ?
Thymomas and small cell lung carcinomas.
The Ab cause Lambert-Easton syndrome (muscle weakness that gets better with use)- it’s difficult to generate muscle contractions bc you can’t rls NT (Ca2+)
What cancers cause hyperuricemia d/t excess nucleic acid turnover (i.e. cytotoxic therapy)?
Leukemias and Lymphoma.
The hyperuricemia leads to gout and urate nephropathy.
When are psamomma bodies seen?
PSaMMoma: Papillary adenocarcinoma of the thyroid Serous cystadenocarcinoma of the ovary Meningioma Malignant Mesotheioma
Psammoma bodies are laminated, concentric, calcific spherules. Looks like tree trunk rings.
When is ESR increased?
Infection Inflammation (e.g temporal arteritis) Cancer Pregnancy SLE
good for ruling out osteomyelitis
When is ESR decreased?
Sickle cell (altered shape)
Polycythemia (too many)
CHF
What is ESR?
Erythrocyte sedimentation rate.
Products of inflam (like fibrinogen) coat RBCs and cause aggregation. When they are aggregated, they settle faster in a test tube.
What primary cancers cause metastasis to the brain?
Lots of Bad Stuff Kills Gila: Lung Breast Skin (melanoma) Kidney (renal cell carcinoma) GI 50% of brain tumors come from metastases. There are usu multiple well-circumscribed tumors at the gray-white border.
What primary cancers cause metastases to the liver
Cancer Sometimes Penetrates Benign Liver: Colon Stomach Pancreas Breast Lung
Liver and lung are the most common sites of metastases (after lymph nodes). Liver cancer is much more likely to be from metastasis than from a primary tumor.
What primary cancers cause metastasis to the bone?
Peanut Butter, Tater Tots- Kids Love: Prostate Breast Testes Thyroid Kidney Lung
Lung = lytic Prostate = blastic (bone building) Breast = both lytic and blastic
More common for a bone cancer to be from metastases than from primary bone cancer.
Male cancer incidence: Top 3 cancers
Male cancer mortality: Top 4 cancers
Incidence:
- prostate
- lung
- colon/rectum
Mortality
- lung
- prostate
- colon/rectal
- pancreatic
Female cancer incidence: Top 5
Female cancer mortality: Top 3
Incidence:
- Breast
- Lung
- Colon/rectal
- Uterine
- Ovary
Mortality:
- Lung
- Breast
- Colorectal
Deaths from lung cancer have plateaued in males but continue to rise in females.
Leading causes of death in US (overall)- top 4
- heart dz
- cancer
- stroke
- COPD
Retinoblastoma: inherited vs sporadic
In order for Retinoblastoma to occur, there must be mutations in both Rb alleles.
Inherited Retinoblastoma = one mutation comes from parent, other is sporadic
Sporadic Retinoblastoma = both mutations are sporadic.
Px of Retinoblastoma
Most are unilateral and d/t sporadic mutations
See white reflex in pics (instead of red like normal)
Anti-cancer drug that forms a complex b/t topoisomerase II and DNA
Etoposide (VP-16)
eTOPoside for TOPoisomerase
Anticancer drug that alkylates DNA and can cause pulmonary fibrosis
Busulfan
Anticancer drug that fragments DNA and can cause pulmonary fibrosis
Bleomycin
Anti cancer drug that blocks purine synthesis and is metabolized by xanthine oxidase
6-MP
aka 6-MercaptoPurine
Anti cancer drug that cross-links DNA and is both nephrotoxic and ototoxic
Cisplatin, Carboplatin
Anticancer drug and folic acid analog that inhibits DHF reductase (dihydrofolate reductase)
MTX (methotrexate)
Anticancer drug that prevents tubulin dis-assembly
Paclitaxel, other taxols
(they hyperstabilize the polymerized microtubules in the M phase so that the mitotic spindle can’t break down (so anaphase can’t occur and mitosis is interrupted).
It is TAXing to stay polymerized.
Anticancer drug that inhibits thymidylate synthase, causing decreased nucleotide synthesis
5-FU
aka 5-fluorouracil
decreases production of dTMP, so decreased DNA and decreased protein synth.
Anti cancer drug that is a SERM- blocks estrogen binding to estrogen receptor + cells
Tamoxifen, raloxifene
Tamoxifen can incrs risk of endometrial cancer.
Anticancer drug w similar mechanism to that of antivirals acyclovir and foscarnet
Cytarabine.
Cytarabine is a pyrimidine antagonist which inhibits DNA polymerase.
Acyclovir and Foscarnet are similar bc they inhibit (viral) DNA polymerase.
Anticancer drug w mechanism similar to fluroquinolones
Etoposide.
eTOPoside inhibits TOPoisomerase II, which leads to increased DNA degredation.
Fluroquinolone (abx) also inhibit topoisomerase II and are used for gram-neg rods of urinary and GI tracts, neisseria, and some gram+
note: topoisomerase II = DNA gyrase (same thing)
Anticancer drug w mechanism similar to trimethoprim (TMP)
MTX (methotrexate)
Both MTX and TMP block DHF reductase, decreasing dTMP and therefore decreasing DNA and protein synthesis
Anticancer drug that is a monoclonal Ab against HER-2 (erb-B2)
Trastuzumab (Herceptin)
Anti cancer drug that causes free radical formation, which induces DNA strand breakage
Doxorubicin and Daunorubicin
Bleomycin
Anti cancer drug that inhibits PRPP synthetase
6-MP
aka 6-MercaptoPurine
Anticancer drug that is reversible w leucovorin
MTX (methotrexate)
Anticancer drug that is used to treat choriocarcinoma (placenta cancer)
MTX (methotrexate)
Vincristine, Vinblastine
Anti cancer drug used to treat AML
Cytarabine (ara-C)
Anti cancer drug used to treat CML
Busulfan
Hydroxurea
Imatinib
Anticancer drug that can prevent breast cancer
Tamoxifen, Raloxifene
in pts w BRCA mutation
Anticancer drug that treats testicular cancer
Eradicate Ball Cancer
Etoposide
Bleomycin
Cisplatin
Anticancer drug that can be applied topically for Actinic Keratosis and basal cell carcinoma
5-FU (flurouracil)
inhibits thyidylate synthase
Anticancer drug used to treat childhood tumors- Wilm’s, Ewing’s sarcoma, rhabdomyosarcoma
Dactinomycin
kids ACT out
Anticancer drug that inhibits ribonucleotide reductase
Hydroxyurea
Anticancer drug w the side effect of hemorrhagic cystitis
cyclophosphamide
ifosfamide
Anticancer drug w Ab against the Philadelphia chromosome
Imatinib
Side effects of prednisone?
A Cush HIP HOP Cat: Acne Cushing-like symptoms HTN Immunosuppression Peptic ulcers Hyperglycemia Osteoporosis Psychosis Cataracts
What is the SERM used for breast cancer? for osteoporosis?
BC - tamoxifen (sometimes toremifene)
Osteoporosis- raloxifene
What drugs inhibit DHF reductase?
MTX and TMP
What drugs cause pulmonary fibrosis as a side effect?
Bleomycin (anti-cancer)
Busulfan (anti-cancer)
Amiodarone (anti-arrhythmic)
What is cyclophosphamide used to treat?
Non-hodgkin’s lymphoma
Breast and ovarian carcinomas
+
Used for immunosuppression- wegener’s granulomatosis, polyarteritis nodosa
5 kinds of drugs that interfere w microtubules
Vincristine, vinblastine (anticancer, stop MT formation)
Taxols, Paclitaxel (anti-cancer: hyperstblz MT so it can’t break down)
Anti-helminthic (bendazoles)
Griseofulvin (anti-fungal)
Colchicine (for gout)
Drugs that are both nephrotoxic and ototoxic
Cisplatin (anti-cancer)
Vancomycin (abx)
Aminoglycosides (abx)
Loop diuretics
Anti-cancer drugs that are cardiotoxic
Traztuzumab
Doxorubicin
Daunorubicin
Anti cancer drug that is a nitrogen mustard, alkylates DNA (electophil that binds DNA)
Cyclophosphamide
Anti cancer drug that is a nitrogen mustard, alkylates DNA (electophil that binds DNA)
Cyclophosphamide
Anticancer drug that intercalates DNA, produces O2 free radicals, and is cardiotoxic
Doxorubicin, Daunorubicin
Anticancer drug that intercalates DNA, produces O2 free radicals, and is cardiotoxic
Doxorubicin, Daunorubicin
Anticancer drug that is a DNA alkylating agent used in brain cancer
Nitrosureas (the -mustines) Brain stuff: -cross BBB -treat brain tumors -cause CNS toxicity (dizziness, ataxia)
Anticancer drug that is a DNA alkylating agent used in brain cancer
Nitrosureas (the -mustines) Brain stuff: -cross BBB -treat brain tumors -cause CNS toxicity (dizziness, ataxia)
Anticancer drug that prevents tubulin assembly
Vincristine, vinblastine
Anticancer drug that prevents tubulin assembly
Vincristine, vinblastine
Somatosensory info from body –> medial lemniscus and spinothalamic tract –> which thalamic nucleus?
VPL
Somatosensory info from body –> medial lemniscus and spinothalamic tract –> which thalamic nucleus?
VPL
Communications w the prefrontal cortex go thru which thalamic nucleus?
Mediodorsal nucleus
Communications w the prefrontal cortex go thru which thalamic nucleus?
Mediodorsal nucleus
List all of the thalamic nuclei
Anterior nuclear group Mediodorsal nucleus VA and VL (motor) VPL and VPM (sensory- body and face) LGN, MGN Pulvinar
List all of the thalamic nuclei
Anterior nuclear group Mediodorsal nucleus VA and VL (motor) VPL and VPM (sensory- body and face) LGN, MGN Pulvinar
What is the blood supply to the thalamus?
Posterior communicating (PComm) Posterior cerebral (PCA) Internal carotid (the anterior choroidal arteries come off of the ICA and supply it)
What is the blood supply to the thalamus?
Posterior communicating (PComm) Posterior cerebral (PCA) Internal carotid (the anterior choroidal arteries come off of the ICA and supply it)
The cerebellum (dentate nucleus) and basal ganglia send info to the motor cortex through which thalamic nucleus?
VL ventral lateral
The cerebellum (dentate nucleus) and basal ganglia send info to the motor cortex through which thalamic nucleus?
VL ventral lateral
The trigeminothalamic and taste pathways pass thru which thalamic nucleus to get to the somatosensory cortex?
VPM
The trigeminothalamic and taste pathways pass thru which thalamic nucleus to get to the somatosensory cortex?
VPM
The Retina sends info to the occipital lobe thru which thalamic cortex?
LGN
L for Light- retina
The Retina sends info to the occipital lobe thru which thalamic cortex?
LGN
L for Light- retina
The basal ganglia send info to the prefronal, premotor, and orbital cortices thru which thalamic nuclei?
VA ventral anterior
The basal ganglia send info to the prefronal, premotor, and orbital cortices thru which thalamic nuclei?
VA ventral anterior
The mamillothalamic tract sends info thru which thalamic tract to the cingulate cyrus (part of the papez circuit)?
Anterior nuclear group
The mamillothalamic tract sends info thru which thalamic tract to the cingulate cyrus (part of the papez circuit)?
Anterior nuclear group
Which thalamic nucleus integrates visual, auditory, and somesthetic input?
Pulvinar
Which thalamic nucleus integrates visual, auditory, and somesthetic input?
Pulvinar
Memory loss is cause by destruction of which thalamic nucleus?
Mediodorsal nucleus
Memory loss is cause by destruction of which thalamic nucleus?
Mediodorsal nucleus
Auditory info comes from the brachium of the inferior colliculus and goes to the primary auditory cortex after passing thru which thalamic nuclei?
MGN
M = music (hearing)
Auditory info comes from the brachium of the inferior colliculus and goes to the primary auditory cortex after passing thru which thalamic nuclei?
MGN
M = music (hearing)
The basal ganglia send info thru which thalamic nuclei?
the VA (ventral anterior) and VL (ventral lateral). both carry motor info.
From VA goes to the prefrontal, premotor, and orbital corticies.
From VL goes to the motor cortex.
The basal ganglia send info thru which thalamic nuclei?
the VA (ventral anterior) and VL (ventral lateral). both carry motor info.
From VA goes to the prefrontal, premotor, and orbital corticies.
From VL goes to the motor cortex.
VPL (thalamus)
the spinothalamic (P/T) and dorsal columns medial lemniscus (prs/vib/touch/prop) carry sensory info from the body to the VPL, which relays it to the primary somatosensory cortex.
VPL (thalamus)
the spinothalamic (P/T) and dorsal columns medial lemniscus (prs/vib/touch/prop) carry sensory info from the body to the VPL, which relays it to the primary somatosensory cortex.
VPM (thalamus)
The trigeminal nerve (facial sensation) and the gustatory pathway (taste) carry info to the VPM, which gives it to the primary somatosensory cortex.
VPM (thalamus)
The trigeminal nerve (facial sensation) and the gustatory pathway (taste) carry info to the VPM, which gives it to the primary somatosensory cortex.
LGN (thalamus)
CN II (optic nerve) carries vision info to the LGN, which sends it to the calcarine sulcus L - light (vision)
LGN (thalamus)
CN II (optic nerve) carries vision info to the LGN, which sends it to the calcarine sulcus L - light (vision)
MGN (thalamus)
The superior olive and the inferior colliculus carry auditory info to the MGN, which send it to the auditory cortex of the temporal lobe
M- music (hearing)
MGN (thalamus)
The superior olive and the inferior colliculus carry auditory info to the MGN, which send it to the auditory cortex of the temporal lobe
M- music (hearing)
Anti cancer drug that is a nitrogen mustard, alkylates DNA (electophil that binds DNA)
Cyclophosphamide
Anti cancer drug that is a nitrogen mustard, alkylates DNA (electophil that binds DNA)
Cyclophosphamide
Anticancer drug that intercalates DNA, produces O2 free radicals, and is cardiotoxic
Doxorubicin, Daunorubicin
Anticancer drug that intercalates DNA, produces O2 free radicals, and is cardiotoxic
Doxorubicin, Daunorubicin
Anticancer drug that is a DNA alkylating agent used in brain cancer
Nitrosureas (the -mustines) Brain stuff: -cross BBB -treat brain tumors -cause CNS toxicity (dizziness, ataxia)
Anticancer drug that is a DNA alkylating agent used in brain cancer
Nitrosureas (the -mustines) Brain stuff: -cross BBB -treat brain tumors -cause CNS toxicity (dizziness, ataxia)
Anticancer drug that prevents tubulin assembly
Vincristine, vinblastine
Anticancer drug that prevents tubulin assembly
Vincristine, vinblastine
Somatosensory info from body –> medial lemniscus and spinothalamic tract –> which thalamic nucleus?
VPL
Somatosensory info from body –> medial lemniscus and spinothalamic tract –> which thalamic nucleus?
VPL
Communications w the prefrontal cortex go thru which thalamic nucleus?
Mediodorsal nucleus
Communications w the prefrontal cortex go thru which thalamic nucleus?
Mediodorsal nucleus
List all of the thalamic nuclei
Anterior nuclear group Mediodorsal nucleus VA and VL (motor) VPL and VPM (sensory- body and face) LGN, MGN Pulvinar
List all of the thalamic nuclei
Anterior nuclear group Mediodorsal nucleus VA and VL (motor) VPL and VPM (sensory- body and face) LGN, MGN Pulvinar
What is the blood supply to the thalamus?
Posterior communicating (PComm) Posterior cerebral (PCA) Internal carotid (the anterior choroidal arteries come off of the ICA and supply it)
What is the blood supply to the thalamus?
Posterior communicating (PComm) Posterior cerebral (PCA) Internal carotid (the anterior choroidal arteries come off of the ICA and supply it)
The cerebellum (dentate nucleus) and basal ganglia send info to the motor cortex through which thalamic nucleus?
VL ventral lateral
The cerebellum (dentate nucleus) and basal ganglia send info to the motor cortex through which thalamic nucleus?
VL ventral lateral
The trigeminothalamic and taste pathways pass thru which thalamic nucleus to get to the somatosensory cortex?
VPM
The trigeminothalamic and taste pathways pass thru which thalamic nucleus to get to the somatosensory cortex?
VPM
The Retina sends info to the occipital lobe thru which thalamic cortex?
LGN
L for Light- retina
The Retina sends info to the occipital lobe thru which thalamic cortex?
LGN
L for Light- retina
The basal ganglia send info to the prefronal, premotor, and orbital cortices thru which thalamic nuclei?
VA ventral anterior
The basal ganglia send info to the prefronal, premotor, and orbital cortices thru which thalamic nuclei?
VA ventral anterior
The mamillothalamic tract sends info thru which thalamic tract to the cingulate cyrus (part of the papez circuit)?
Anterior nuclear group
The mamillothalamic tract sends info thru which thalamic tract to the cingulate cyrus (part of the papez circuit)?
Anterior nuclear group
Which thalamic nucleus integrates visual, auditory, and somesthetic input?
Pulvinar
Which thalamic nucleus integrates visual, auditory, and somesthetic input?
Pulvinar
Memory loss is cause by destruction of which thalamic nucleus?
Mediodorsal nucleus
Memory loss is cause by destruction of which thalamic nucleus?
Mediodorsal nucleus
Auditory info comes from the brachium of the inferior colliculus and goes to the primary auditory cortex after passing thru which thalamic nuclei?
MGN
M = music (hearing)
Auditory info comes from the brachium of the inferior colliculus and goes to the primary auditory cortex after passing thru which thalamic nuclei?
MGN
M = music (hearing)
The basal ganglia send info thru which thalamic nuclei?
the VA (ventral anterior) and VL (ventral lateral). both carry motor info.
From VA goes to the prefrontal, premotor, and orbital corticies.
From VL goes to the motor cortex.
The basal ganglia send info thru which thalamic nuclei?
the VA (ventral anterior) and VL (ventral lateral). both carry motor info.
From VA goes to the prefrontal, premotor, and orbital corticies.
From VL goes to the motor cortex.
VPL (thalamus)
the spinothalamic (P/T) and dorsal columns medial lemniscus (prs/vib/touch/prop) carry sensory info from the body to the VPL, which relays it to the primary somatosensory cortex.
VPL (thalamus)
the spinothalamic (P/T) and dorsal columns medial lemniscus (prs/vib/touch/prop) carry sensory info from the body to the VPL, which relays it to the primary somatosensory cortex.
VPM (thalamus)
The trigeminal nerve (facial sensation) and the gustatory pathway (taste) carry info to the VPM, which gives it to the primary somatosensory cortex.
VPM (thalamus)
The trigeminal nerve (facial sensation) and the gustatory pathway (taste) carry info to the VPM, which gives it to the primary somatosensory cortex.
LGN (thalamus)
CN II (optic nerve) carries vision info to the LGN, which sends it to the calcarine sulcus L - light (vision)
LGN (thalamus)
CN II (optic nerve) carries vision info to the LGN, which sends it to the calcarine sulcus L - light (vision)
MGN (thalamus)
The superior olive and the inferior colliculus carry auditory info to the MGN, which send it to the auditory cortex of the temporal lobe
M- music (hearing)
MGN (thalamus)
The superior olive and the inferior colliculus carry auditory info to the MGN, which send it to the auditory cortex of the temporal lobe
M- music (hearing)