Listed below are questions based on articles that appeared in last month's print edition of the ARCHIVES. Registered continuing medical education participants should use the October 2003 answer sheet to answer these questions. Answers appear inverted at the bottom of the page.
1. Carcinoid tumors in the pediatric population arising outside the appendix have the ability to metastasize (Figure 1).
True or False?
(from Neuroendocrine Tumors [Carcinoid and Neuroendocrine Carcinoma] Presenting at Extra-appendiceal Sites in Childhood and Adolescence—Broaddus et al)
2. Infantile hypertrophic pyloric stenosis is characterized by
a. incidence of approximately 3 per 1000 live births
b. abnormalities of pyloric innervations
c. a lack of heme oxygenase-2
d. all of the above
e. a and c
(from Distribution of Heme Oxygenase-2 in Nerves and Interstitial Cells of Cajal in the Normal Pylorus and in Infantile Hypertrophic Pyloric Stenosis—Piotrowska et al)
3. The most frequent site for schwannomas of the head and neck is:
a. larynx
b. trachea
c. tongue
d. acoustic nerve
(from Schwannoma of the Sinonasal Tract—Buob et al)
4. The Azzopardi phenomenon noted in degenerating neoplastic tissue is (Figure 2):
a. calcium
b. RNA
c. DNA
d. bacteria
(from The Azzopardi Phenomenon—Pritt & Cooper)
5. The large cell/rhabdoid variant of epithelioid sarcoma can be confused with epithelial mesothelioma.
True or False?
(from Epithelioid Sarcoma—Laskin & Miettinen)
6. Pleomorphic xanthoastrocytoma is characterized by:
a. predilection for the temporal lobe
b. affecting adolescents and young adults
c. cystic by imaging studies
d. a and c
e. a, b, and c
(from Giant Cell Glioblastoma and Pleomorphic Xanthoastrocytoma Show Different Immunohistochemical Profiles for Neuronal Antigens and p53 but Share Reactivity for Class III β-Tubulin—Martinez-Diaz et al)
Answers: 1, True. 2, d. 3, d. 4, c. 5, True. 6, e.