IM:血液
36 flashcards · Other · by Wanying Koh
MCV (fL) / RBC (millions per microLiter 10^6/mm3) MCV/RBC <13: MCV/RBC >13:
MCV/RBC <13: thalassemia MCV/RBC >13: IDA
MCV <70 MCV < 80
thalassemia IDA
what kind of blood cell is seen characteristics present in what dz
spherocytes no central pallor of RBC seen in : hereditary spherocytosis autoimmune hemolytic anemia
paroxysmal nocturnal hemoglobinuria gene mutation which CD
PIG-A gene mutation CD55, CD59
males + chronic anemia suspect 哪裡 bleeding and what dz
suspect chronic GI bleeding => GI malignancy
supraclavicular LAP indicative of what
virchow's node indicates gastric ca (胃癌特殊meta部位)
35y/o F , no systemic dz 4 years ago, MCV = 90 , Hb = 13 now MCV = 65 , Hb = 11 no RBC details WBC, plt normal Dx?
IDA adult age 4 years ago still normal
long-term transfusion AE cardiomyopathy DM liver cirrhosis cataract
在問 iron hemosiderosis 的 clinical manifestations cardiomyopathy DM liver cirrhosis (NO cataract)
paroxysmal nocturnal hemoglobinuria blood abnormalities
indirect hyperbilirubinemia LDH inc. low LAP score
prolonged PT/INR means 用了什麼藥物
Wafarin (Coumadin, Jantoven)
patient w chronic hep B history, with pancytopenia dx?
hypersplenism
那些藥物 加快 warfarin 代謝 (need to inc warfarin dose) 減緩 warfarin 代謝 (need to dec warfarin dose)
加快代謝 barbiturate, phenobarbital, rifampin 【seizure 病人開車 快到 綠 燈 加快速度】 減緩代謝 cimetidine, statin, erythromycin 【high cholesterol 病人 到 西門町 玩,快到 紅 燈 停下來】
most common leukemia in western elderly
CLL
CLL CD markers
CD5, CD23
WHO definition of acute leukemia: how high are blast forms numbers?
>20%
APL characteristics chromosome abnormality what gene mutation DIC common or uncommon in these patients tx
t(15;17) PML-RARa mutation (retinoic acid receptor gene) common all trans retinoic acid (ATRA) + chemo antracycline
gene mutation t(9;22) t(15;17) t(4;11) t(8;14), t(2;8)
CML APL ALL Burkitt's lymphoma
peroxidase (-), CD10, D19 表現 dx
CD10, CD19: B-Cell peroxidase (-): ALL (peroxidase (+) ==> AML T-Cell ALL ==> CD2,5,7
Dx
Auer rods present hypergranulated cytoplasm ==> APL t(15,17)
essential thrombocythemia need to treat when asymptomatic? when to tx?
asymptomatic ==> OBS, no tx needed treatment only when: age >60y/o hx of thrombosis plt > 150w
tx for essential thrombocythemia
OBS ==> only when asymptomatic hydroxyurea anagrelide aspirin ==> prevent thombus fmt
dx
mediastinal mass ==> Hodgkin lymphoma
MM ISS stages Stage I Stage II Stage III
B2-microglobulin <3.5 & albumin >3.5 B2-microglobulin 3.5-5.5 ; or albumin <3.5 >5.5
multiple myeloma 如何評估 bones involvement what diagnostic tool
xray only MM causes osteolytic lesion --> xray bone scan detects osteoblastic lesions --> used in other cancer ALP not specific to MM.
staging of Hodgkin's lymphoma
Ann Arbor staging I - single LN II - >=2 LN + same side of diaphragm (either thorax only or abd only) III - multiple LN + both sides of diaphragm IV - extranodal
aplastic anemia tx
stem cell transplantation
iron deficient anemia what age groups red cell distribution width dec / inc? serum iron levels, TIBC levels
adolescent girls - period blood too much 9-24mo newborn - 製造新的RBC RDW inc - due to newly made RBC different sizes serum iron dec, TIBC inc
cafe au lait spots + pancytopenia + short stature + chromosome fragility dx
Fanconi anemia - congenital aplastic anemia
30yo female, fullness in throat Dx
CT hyperdense, homogenous lesion: lingual thyroid (hemangioma - CT 看得到 phleboliths - venous malformation tongue base ca - CT heterogenous, irregular shaped, with possible lymphadenopathy
Warthin tumor most common location most common in which pts most common benign tumor of salivary gland? tx
位於 parotid tail old male smokers 良性#1. plemorphic adenoma ; #2. Warthin tumor superficial parotidectomy
angiofibroma 好發族群 most common benign tumor of nasopharynx tx
young males true. most common 良性 OP 切除
EPO indications in CKD pts
Hb < 10g/dL ferritin > 200ng/mL
calculate corrected reticulocyte percentage
= reticulocyte (%) x (HCT / 45) / reticulocyte lifespan based on HCT
uremic bleeding tx
dialysis correct anemia - transfusion ADH - [a] vWF cryoprecipitate estrogen
warfarin caused INR prolong
+ severe bleeding: prothrombin complex concentrate / FFP / PCC + IV vitamin K INR>10, no bleeding: oral vit K INR 5-9: no bleeding: stop 2 doses + give vit K // if pt needs warfarin meds for valvular op 2-5 <INR < 5: dec dosage / stop next dose
hSCT cells come from
umbilical cord blood peripheral blood stem cells - using G-CSF (most common) bone marrow cells amniotic fluid NOT adult spleen cells