Oncology Flashcards
Malignancy with greatest propensity for brain metastasis, found in 80% of patients at autopsy
MELANOMA
Malignancies with propensity to metastasize to the dura and can mimic meningioma
PROSTATE AND BREAST CANCER
Arises in prostate and breast cancer, which have strong propensity to metastasize to axial skeleton
SPINAL CORD COMPRESSION
Braion metastases are best visualized on
MRI
3 Cancers with greatest propensity to bleed
MELANOMA, THYROID, KIDNEY CANCER
Most common cause of hemorrhagic metastasis
LUNG CANCER
Most common among hematologic malignancies ti metastasize to the subarachnoid space
ACUTE LEUKEMIA
3 Solid tumors that most frequently cause leptomeningeal metastases
BREAST, LUNG, MELANOMA
Definitive method and often considered the gold standard to diagnose leptomeningeal metastases
DEMONSTRATION OF TUMOR CELLS IN CSF
CSF cytologic examination is most useful in what malignancies
HEMATOLOGIC MALIGNANCIES
Part of the spine affected most commonly in epidural metastasis
THORACIC SPIN > LUMBAR > CERVICAL
Presenting symptom of epidural metastasis in virtually all patients
BACK PAIN
Best test for epidural metastasis
MRI OF THE COMPLETE SPINE
Surgical procedure of choice for epidural metastasis
COMPLETE REMOVAL OF THE MASS, TYPICALLY ANTERIOR TO THE SPINAL CANAL
Standard treatment for brain metastases
WHOLE-BRAIN RADIOTHERAPY
Most serious toxicity from radiotherapy as they are often irreversible
LATE DELAYED TOXICITY
Complication seen most commonly after whole-brain radiotherapy
LEUKOENCEPHALOPATHY
Second only to myelosuppression as dose-limiting toxicity of chemotherapeutic agents
NEUROTOXICITY
Most significant risk factor for cancer overall
AGE
Most common cancer worldwide
LUNG CANCER
Second most common cancer worldwide
BREAST CANCER
Genes involved in restraining cell growth wherein mutation of one allele may lead to tumorigenesis
ONCOGENES
Most effective means of treating cancer
SURGERY
Delivery of radiation therapy from a distance
TELETHERAPY
Encapsulated sealed sources of radiation implanted directly or adjacent to tumor
BRACHYTHERAPY
Radionuclides targeted to the site of the tumor
SYSTEMIC RADIATION THERAPY
Most significant risk factor for head and neck cancer
ALCOHOL AND SMOKING
Most commonly used treatment for head and neck cancer
CHEMORADIOTHERAPY
Most effective drugs against highly emetogenic agents
SEROTONIN RECEPTOR ANTAGONISTS (i.e ondansetron)
Frequency of sigmoidoscopy as a screening test for adults >/= 50 years old
EVERY 5 YEARS
Frequency of FOBT as a screening test for adults >/= 50 years old
ANNUALLY
Frequency of colonoscopy as a screening test for adults >/= 50 years old
EVERY 10 YEARS
3 Cancers associated with BRAF oncogene
MELANOMA, LUNG, COLORECTAL
2 Cancers associated with bcr-abl oncogene
CML, ALL
Cancer associated with bcl-2 oncogene
FOLLICULAR LYMPHOMA
Cancer associated with C-myc oncogene
BURKITT’S LYMPHOMA
2 Cancers associated with L-myc oncogene
LUNG AND BLADDER CANCER
2 Cancers associated with N-myc oncogene
NEUROBLASTOMA, LUNG
3 Cancers associated with ras oncogene
COLON, LUNG, PANCREATIC
Cancer associated with RET oncogene
MEN 2A AND 2B
Cancer associated with APC tumor suppressor gene
COLON CANCER (FAP)
Cancer associated with DCC gene mutation
COLON CANCER
Malignancy associated with alkylating agents and benzene
AML
Malignancy associated with aromatic dyes and Schistosoma hematobium
BLADDER CANCER
2 Malignancies associated with asbestos and arsenic
LUNG CANCER AND MESOTHELIOMA
Malignancy associated with HTLV-1
ADULT T-CELL LEUKEMIA
Malignancy associated with vinyl chloride
LIVER ANGIOSARCOMA
Primary cause of lung cancer worldwide
SMOKING
2 Types of lung cancer implicated with smoking which tend to present centrally
SQUAMOUS CELL AND SMALL CELL CANCER
Most prevalent type of lung cancer among women, young adults and non-smokers presenting peripherally
ADENOCARCINOMA
Subtype of lung adenocarcinoma that grows along the aveoli without invasion (lepidic growth), may present with classic ground glass appearance on CT
BRONCHIOALVEOLAR CARCINOMA
Results from local extension of tumor growing in the apex involving C8 and T1 and T2 nerve roots with shoulder pan radiating to the ulnar distribution and Horner’s syndrome
PANCOAST SYNDROME OR SUPERIOR SULCUS TUMOR
Most common life threatening metabolic complication of malignancy associated with squamous cell carcinoma of the lung
HYPERCALCEMIA FROM ECTOPIC PTH/PTH-RELATED PROTEIN PRODUCTION
2 Paraneoplastic syndromes associated with small cell lung carcinoma
SIADH, CUSHING’S SYNDROME, LAMBERT EATON SYNDROME
Treatment of choice for small cell lung carcinoma
CHEMOTHERAPY
Treatment of choice for early stage non-small cell lung cancer
SURGICAL RESECTION
Location of majority of hamartomas
LUNGS
Best time for breast examination
DAYS 5-7 OF THE MENSTRUAL CYCLE
Most important prognostic variable in breast cancer
TUMOR STAGE
Hormonal treatment for breast cancer which increases the risk of endometrial cancer
SELECTIVE ESTROGEN RECEPTOR MODULATOR (SERM)
Treatment that increases breast cancer risk but decreases ovarian and endometrial cancer risk
ORAL CONTRACEPTIVE PILLS
Monoclonal antibody directed against the erb/her2-neu receptor used for breast cancers
TRASTUZUMAB
Premalignant lesion that suggests elevated risk of breast cancer
LOBULAR NEOPLASIA
Esophageal cancer related to smoking, and alcohol, arising in the middle 1/3
SQUAMOUS CELL CARCINOMA
Esophageal cancer related to acid reflux and Barrett’s esophagus arising in the distal 1/3
ADENOCARCINOMA
Initial symptoms of esophageal cancer in majority of the patients
PROGRESSIVE DYSPHAGIA AND WEIGHT LOSS
Type of gastric carcinoma with loss of cell cohesion developing throughout the stomach resulting to loss of distensibility
DIFFUSE TYPE
Type of gastric carcinoma frequently ulcerative and involving the antrum and lesser curvature, often initiated by H. pylori
INTESTINAL type
Gastric cancer metastatic to the periumbilical region
SISTER MARY JOSEPH NODES
Gastric cancer metastatic to the peritoneal cul-de-sac
BLUMER’S NODES
Most common site for hematogenous spread of gastric cancer
LIVER
Only chance of cure for gastric cancer
COMPLETE SURGICAL REMOVAL OF THE TUMOR WITH RESECTION OF ADJACENT LYMPH NODES
Most frequent site of extra nodal lymphoma
STOMACH
Primary treatment of gastric lymphoma
ERADICATION OF H. PYLORI
Characteristic of colonic polyps most associated with malignancy
VILLOUS SESSILE ADENOMATOUS POLYPS; > 2.5 CM IN SIZE
Multiple polyps in the small and large intestines with osteomas, fibromas, and congenital hypertrophy of the retinal pigment epithelium
GARDNER’S SYNDROME
Multiple polyps in the large intestine with brain tumors
TURCOT’S SYNDROME
Multiple small and large intestinal polyps (hamartomatous/juvenile), mucocutaneous pigmentation, tumors of the ovary, breast, and pancreas
PEUTZ-JEGHERS SYNDROME
Other term for hereditary nonpolyposis colon cancer
LYNCH SYNDROME
Hereditary autosomal dominant predisposition to colon, ovarian, and endometrial cancers caused by defects in DNA mismatch repair
HEREDITARY NONPOLYPOSIS COLON CANCER (LYNCH SYNDROME)
Most effective class of agents to reduce the risk of colon cancer adenomas and carcinomas
ASPIRIN AND NSAIDS
Colon cancer that is usually non-obstructive, discovered late, with iron-deficiency anemia
RIGHT-SDED COLON CANCERS
Colon cancer that are usually with obstructive symptoms and apple-core or napkin ring deformity on barium studies
LEFT-SIDED COLON CANCERS
Hematochezia, tenesmus, and narrowing of stool caliber are symptoms of
RECTOSIGMOID CANCER
Period of time when most recurrences after surgical resection of large bowel cancer occur
WITHIN THE FIRST 4 YEARS
Number of sampled lymph nodes necessary to accurately define tumor stage during surgery
MINIMUM OF 12 NODES
Most frequent visceral site of metastasis of colon cancer
LIVER
Backbone chemotherapeutic agent for colon cancer and acts as a radiosensitizer for treatment of rectal cancer
5-FLUOROURACIL
Major side effect of irinotecan used in FOLFIRI regimen for colon cancer
DIARRHEA
Common side effect of oxaliplatin used in FOLFOX regimen for colon cancer
DOSE-DEPENDENT SENSORY NEUROPATHY
Most common location of pancreatic cancer
PANCREATIC HEAD
Most common environmental risk factor for pancreatic cancer
SMOKING
Most common physical sign of hepatocellular carcinoma
HEPATOMEGALY
Criteria for orthotropic liver transplant based on Milan criteria
SINGLE LESION = 5 CM OR = 3 NODULES EACH = 3 CM; NO GROSS VASCULAR INVASION
Variant of HCC associated with younger females, elevated blood neurotensin levels, no cirrhosis
FIBROLAMELLAR HCC
Most common benign liver tuimor among women
HEMANGIOMA
Benign liver mass associated with contraceptive use, with low potential for malignant change and risk of bleeding
ADENOMA
Benign liver mass with characteristic central scar, hypovascular on arterial phase and hypervascular on delayed phase CT
FOCAL NODULAR HYPERPLASIA
Most useful diagnostic tool in differentiating between benign and malignant liver masses
TRIPHASIC CT SCAN
Mucin-producing adenocarcinoma that arise from the bille ducts, majority of which are located in the hilar or central area
CHOLANGIOCARCINOMA
Nodular tumors arising from the bifurcation of the common bile duct
KLATSKIN TUMOR
Adenocarcinoma arising within 2 cm of the distal end of the common bile duct
AMPULLARY CARCINOMA
Palpable gallbladder associated with obstructive biliary malignancy
COURVOISIER’S SIGN
Standard surgical procedure for pancreatic head and uncinate tumors
PYLORUS PRESERVING PANCREATICODUODENECTOMY (MODIFIED WHIPPLE’S PROCEDURE)
Most common site of malignancy in the urinary tract
URINARY BLADDER
Most common source of gross hematuria
URINARY BLADDER
Most common presentation of bladder, renal pelvis, and ureteric cancer
PAINLESS HEMATURIA
Vaccine component used as intravesiculart therapy in bladder cancer
BCG
Most common environmental risk factor for bladder and renal cell carcinoma
SMOKING
Most common histopathologic type of renal cell carcinoma
CLEAR CELL CARCINOMA
Classic triad of renal cell carcinoma
HEMATURIA, ABDOMINAL PAIN, FLANK OR ABDOMINAL MASS
Site where most prostate cancers develop
PERIPHERAL ZONE
Predominant therapy to reduce future risk of prostate cancer diagnosis
5-ALPHA REDUCTASE INHIBITORS (FINASTERIDE)
Test to establish prostate cancer diagnosis
TRANSRECTAL ULTRASOUND-GUIDED BIOPSY
Scoring used to measure histologic aggressiveness of the dominant and secondary glandular histology of prostate cancer
GLEASON SCORING
Most common site of metastasis of tissue sarcoma
LUNGS
Mainstay of treatment for Ewing’s sarcoma, PNET, and rhabdomyosarcoma
CHEMOTHERAPY
Most common malignant tumor of the bone
PLASMA CELL TUMORS
Account for majoriuty of bone sarcomas, predominant in young males, usuallyu occuring on the metaphysis of long bones, distal femur, proximal tibia and humerus
OSTEOSARCOMA
Moth-eaten appearance, spiculated periosteal reaction (sunburst appearance), cuff of periosteal new bone formation (Codman’s triangle) are radiographic hallmarks of
OSTEOSARCOMA
Most important prognostic factor for long-term survival in osteosarcoma
RESPONSE TO CHEMOTHERAPY
Site most commonly involved in bone metastasis
VERTEBRAE
Lack of endonuclease necessary for thymidine dimer repair –> increased susceptibility to skin cancers of all types
XERODERMA PIGMENTOSA
One or few small waxy, semitranslucent nodules forming around a central depression that may be ulcerated, crusted or bleeding, edge is rolled or pearly with rodent ulcer, rarely metastasizes
BASAL CELL CARCINOMA
Most common site of basal cell carcinoma
FACE/HEAD AND NECK AREA
Most common type of basal cell carcinoma
CLASSICAL OR NODULAR TYPE
Dome-shaped, elevated, hard infiltrating lesion (deeply nodular), may eventually develop an ulcer, occurs on sun-exposed areas
SQUAMOUS CELL CARCINOMA
In situ form of squamous cell carcinoma
BOWEN’S DISEASE
Major risk factor for squamous cell carcinoma of the skin
CHRONIC LONG TERM SUN EXPOSURE
Known precursor lesion of squamous cell carcinoma of the skin
ACTINIC KERATOSIS
Most common type of melanoma
SUPERFICIAL SPREADING
Single greatest risk factor for melanoma
PERSONAL HISTORY OF MELANOMA
Most common type of melanoma in dark-skinned individuals and Asians
ACRAL-LENTIGINOUS MELANOMA
Single most important prognostic factor for melanoma
REGIONAL LYMPH NODE METASTASIS
Most important determinant of outcome in melanoma
EARLY EXCISION
Primary lesion erythematous edematous evanescent rash
WHEAL
Thickening of the skin with accentuation of skin fold markings
LICHENIFICATION
Loss of epidermis without loss of dermis
EROSION
Loss of both epidermis and dermis
ULCER
Paraneoplastic syndrome common to renal, hepatocellular cancer, and cerebellar hemangioblastomas
ERYTHROCYTOSIS
Trousseau’s syndrome or migratory thrombophlebitis is paraneoplastic syndrome of
PANCREATIC CANCER
Myasthenia gravis and pure red cell aplasia are paraneoplastic syndrome of
THYMOMA
Lambert-eaton myasthenic syndrome (LEMS) is a paraneoplastic syndrome of
SMALL CELL CARCINOMA OF THE LUNG
ADR of nitrosurea
NEUROTOXICITY
ADR of oxaliplatin
NEUROTOXICITY
ADR of procarbazine
DISULFIRAM-LIKE REACTION
ADR of Bleomycin
PULMONARY FIBROSIS
ADR of actinomycin D
MYELOSUPPRESSION