Path10 Flashcards
Paraneoplastic Syndromes
1
Q
ACTH or ACTH-like peptide
A
Neoplasm:
- Small Cell Lung Cancer
Effect:
- Cushing’s syndrome
2
Q
ADH
A
Neoplasm: - Small cell lung carcinoma - Intracranial neoplasms Effect: - SIADH
3
Q
PTHrP
A
Neoplasm: - Squamous Cell Lung Carcinoma - Renal cell carcinoma - Breast cancer Effect: - Hypercalcemia
4
Q
1,25-(OH)2 D3 (Calcitriol)
A
Neoplasm: - Hodgkin's lymphoma - some Non-Hodgkin's lymphomas Effect: - Hypercalcemia
5
Q
Erythropoietin
A
Neoplasm: - Renal cell carcinoma - Hemangioblastoma - Hepatocellular carcinoma - Pheochromocytoma Effect: - Polycythemia
6
Q
Abs vs. presynaptic Ca++ channels at NMJ
A
Neoplasm:
- Small cell lung cancer
Effect:
- Lambert-Eaton syndrome (muscle weakness)
7
Q
Small Cell Lung Carcinoma - Paraneoplastic Syndromes
A
ACTH (Cushing’s)
ADH (SIADH)
Abs vs. presynaptic Ca++ channels (Lambert-Eaton syndrome)
8
Q
Renal Cell Carcinoma - Paraneoplastic Syndromes
A
PTHrP (Hypercalcemia)
Erythropoietin (Polycythemia)
9
Q
What are Psammoma bodies?
A
Laminated, concentric, calcific spherules
10
Q
What are psammoma bodies seen?
A
- Papillary Adenocarcinoma of Thyroid
- Serous Papillary cystadenocarcinoma of Ovary
- Meningioma
- Malignant Mesothelioma
“PSaMMoma”