1.7.2013(pathology) 54 Flashcards
Schilling test stages
- Radioactive B12
- along with IF
- after antibiotic treatment
- after giving pancreatic enzymes
False positive D Xylose test
Bacterial overgrowth Diarrhoea Delayed gastric emptying Renal insufficiency Vomiting Ascitis/pleural effusion
Tests in steatorhea
D Xylose
Small intestinal biopsy
D Xylose test in Chronic pancreatitis Bacterial overgrowth Celiac disease Illeal disease Intestinal lymphangiectasia
Normal in all except celiac disease
Schilling test in celiac disease
Normal
Celiac disease affects
Duodenum
Proximal jejunum
Intestinal stagnant loop syndromes
Jejunal diverticulosis
Stricture
Ileocolic fistula
Anatomic blind loop
Inflammatory causes of folate deficiency
TB
psoriasis
Exfoliative dermatitis
Malaria
Excessive urinary loss of folate is seen in
CCF
active liver disease
Anti folate drugs
Nitrofurantoin
Tetracycline
Non neoplastic causes of elevated CEA
Smoking
IBD
pancreatitis
Hepatitis
LDH is tumor marker for
Ewing
Lymphoma
CA 19-9 is elevated in
Colon Ca
Pancreatic Ca
Breast Ca
MHC which is a component of hormone receptor
MHC1
Medium to select for hybridoma cells
HAT medium Hypoxanthine Aminopterin Thymidine HAT medium inhibits denovo purine synthesis pathway
Characteristic of myeloma cells
Immortal
HGPRTase -ve
Hybridoma technique was developed by
Kohler and milstein
Cell fusion in hybridoma technique is brought about by
PEG
Popcorn classification
Pulmonary hamartoma
Mediastinal lymph node in Acute histoplasmosis
Degenerated fibroadenoma
Most common site of pulmonary hamartoma
Peripheral
Most common benign tumor of lung
Pulmonary hamartoma
Specific CT finding in pulmonary hamartoma
Fat and calcification
p14 ARF increases p53 activity by
Inhibiting MDM2
Most common type of Hodgkin lymphoma
Nodular
Nodular Hodgkin lymphoma cells,CD
CD15 and CD30 +ve
CD45 and CD20 -ve
Nodular sclerosis is common in
Both male and female
Most EBV +ve Hodgkin
Lymphocyte depleted (poor prognosis)