Oncology Flashcards
(164 cards)
Diagnostic study of choice for suspected pancreatic cancer if CT and is negative or equivocal
Endoscopic U/S (more sensitive than CT)
Major RF for pancreatic cancer
Chronic pancreatitis
Pancreatic Cancer tx
- resection if resectable
- if unresectable -
- -5FU with radiation
- -Gemcitabine alone
- -Radiation alone - Metastatic
- -Gemcitabine chemo
- -Pall
HL classic finding on excision biopsy
Reed-Sternberg cell (owls eye with prominent eosinophilic inclusion like nucleoli)
Do you need whole body CT/PET scan imaging for diagnosis of HL (local and curable)
YES, PET scan has replaced staging laparotomy and BM examination
HL Tx
- IA, IIA (LN on same side)
- Advanced dz with B symptoms
- CD 20+
- recurrent chemo-sensitive dz
- recurrent chemo-resistant dz
- XRT alone or ABVD + XRT
- Chemo + XRT***
- ABVD + Rituximab
- Autologous HSCT
- Allogeneic HSCT
HL and breast cancer screening
Begin annual mammograms and MRI at age 40 yrs or 8-10 yrs following XRT (whichever comes first)
Long term HL Cx after treatment
Secondary cancers (breast, lung, skin)
MDS/AML
Hypothyroidism
Infertility
4 MC indolent NHL
- follicular lymphoma
- mucosa-associated lymphoid tissue (MALToma)
- CLL
- hairy cell leukemia
Follicular lymphoma cytogenetic analysis
t (14:18)
CLL peripheral blood smear
Smudge cells (lymphocytes that appears flattened or distorted)
Richter’s transformation (involves which malignancy)
CLL —> diffuse large B cell lymphoma with aggressive relapse and B symptoms
Tx for recurrent infections in patients with CLL if associated with hypogammaglobulinemia
IV IG
Hairy cell leukemia
- flow cytometry findings
CD 103, CD11c, CD25 monoclonal B cells
4 MC aggressive NHL types
- diffuse large B cell lymphoma
- high grade lymphomas (Burkitt)
- lymphoblastic lymphoma
- mantle cell lymphoma
Diffuse large cell lymphoma (aggressive NHL) tx
R-CHOP (Rituximab, cyclophosphamide, doxorubicin, vincristine, prednisone)
+/- involved-field XRT (for bulky dz)
If refractory/relapsed - Autologous stem transplantation
Which one of the 4 aggressive NHL has significant risk factor for tumor lysis syndrome
Burkitt
Lymphoblastic lymphoma
Burkitt lymphoma tx
aggressive multi-agent chemo
Lymphoblastic lymphoma tx
same as ALL
Mycosis fungoides pathophysiology and symptoms
T-cell lymphoma infiltrating skin leading to:
pruritic erythema, raised plaques/lesions, erythroderma
Sézary syndrome pathophysiology
T-cells circulating in the blood
Cutaneous T-cell lymphoma tx
- Early-stage skin dz
- Advanced-stage dz
- topical glucocorticoids
- electron-beam XRT, photophresis, monoclonal Abs
Allogeneic HSCT may be curative
When to use breast US for evaluation of breast lump
age <30 yo
Pregnant
Paget disease of the breast dx
skin biopsy + mammogram