1. 23.0 Case 8 25F: Pap smear

2. 23.1 Case 8 3. 23.2 Case 8 4. 23.3 Case 8 5. 23.4 6. 23.5

LGSIL

7. 41.0 Case 11 49F: FCD versus other 8. 41.1 Case 11 9. 41.2 Case 11 10. 41.3 Case 11 11. 41.4 Case 11 12. 41.5 13. 41.6

Duct involved by ALH or DIALH

14. 20.0 Case 5 36F, history of HGSIL on Pap smear. Biopsy of cervix. 15. 20.1 Case 5 16. 20.2 Case 5 17. 20.3 Case 5 18. 20.4 Case 5 19. 20.5 20. 20.6

LGSIL, squamous metplasia

21. 21.0 Case 6 52F, postmenopausal bleeding Endometrial biopsy 22. 21.1 Case 5 23. 21.2 Case 5 24. 21.3 25. 21.4

Atrophic endometrium

26. 19.0 Case 4 25F: Pap smear 27. 19.1 Case 4 28. 19.2 29. 19.3

Herpes (consistent with)

30. 86.0 Case 14 CT guided biopsy of lung mass 31. 86.1 Case 14 32. 86.2 TTF-1 Case 14 33. 86.3 TTF-1 Case 14 34. 86.4 CK20 Case 14 35. 86.5 CK7 Case 14 36. 86.6

TTF1 result

CK20 result

CK7 result

The most likely diagnosis is

37. 86.7

Case 14 .

2 TTF1 result:Negative

2 CK20 result:Weakly positive

2 CK7 result:Strongly positive

2 The most likely diagnosis is:Primary if metastasis excluded

38. 67.0 Elevated PSA the usual Case 17 39. 67.1 Case 17 40. 67.2 Case 17 41. 67.3 Case 17 42. 67.4 Case 17 43. 67.5 44. 67.6

Adenocarcinoma Gleason patterns 4 and 3 ? perineural invasion

45. 7.0 Case 7 Ultrasound guided FNA 46. 7.1 Case 7 47. 7.2 Case 7 48. 7.3 49. 7.4

Benign apocrine cyst

50. 98.0 52F Left ovarian mass 21 x 19 x 6 cm, 1322 gms Multilocular with papillary excrescences andnodules in lining Case 1 51. 98.1 Case 1 52. 98.2 Case 1 53. 98.3 Case 1 54. 98.4 Case 1 55. 98.5 Case 1 56. 98.6 Case 1 57. 98.7 58. 98.8

Granulosa cell tumor

59. 82.0 Case 10 75F: Omental mass and ascites No visceral masses 60. 82.1 Case 10 61. 82.2 Case 10 62. 82.3 Case 10 63. 82.4 Case 10 64. 82.5 Case 10 b 65. 82.6 Case 10 c 66. 82.7

a. In this location the most likely diagnosis is

b. Name the stain

c. Name the stain

67. 82.8

Case 10 .

2 a. In this location the most likely diagnosis is:Mesothelioma

1 b. Name the stain:WT1/ER

1 c. Name the stain:Calretinin

68. 54.0 Abdominal pain probably unless they had aspecial that day Case 4 69. 54.1 Case 4 70. 54.2 Case 4 71. 54.3 Case 4 72. 54.4 Case 4 73. 54.5 Case 4 74. 54.6 75. 54.7

Enterobius vermicularis. Need to explain serositis. Submit rest of appendix. In female consider PID

76. 107.0 39F. Bilateralcystic ovarian masses.Approximate size of larger: 19 x 7 x 11 cm. Weight: 990 gms. Unilocular with papillary excrescences in lining Case 10 77. 107.1 Case 10 78. 107.2 Case 10 79. 107.3 Case 10 80. 107.4 Case 10 81. 107.5 Case 10 82. 107.6 Case 10 83. 107.7 84. 107.8

Serios borderline tumor, micropapillary

85. 68.0 What do you think this is? Case 18 86. 68.1 Case 18 87. 68.2 Case 18 88. 68.3 Case 18 89. 68.4 Case 18 90. 68.5 Case 18 91. 68.6 Case 18 92. 68.7 Case 18 93. 68.8 94. 68.9

Thymus brand cortical and medullary thymocytes in your brain

95. 81.0 Case 9 50M: Left middle ear mass 96. 81.1 Case 9 97. 81.2 Case 9 98. 81.3 Case 9 b 99. 81.4 Case 9 c 100. 81.5

a. In this location the most likely diagnosis is

b/c. Given this diagnosis what are these stains most likely to be (in no particular order)

101. 81.6

Case 9 .

2 a. In this location the most likely diagnosis is:Carcinoid versus paraganglioma

Given this diagnosis what are these stains most likely to be (in no particular order)

1 b. Name the stain:AE1/3

1 c. Name the stain:Synaptophysin/Chromogranin

102. 27.0 Case 12 25F: Pap smear 103. 27.1 Case 12 104. 27.2 Case 12 105. 27.3 106. 27.4

Reactive squamous epithelium

107. 42.0 Case 12 58M: Thoraco-lumbar mass 108. 42.1 Case 12 109. 42.2 Case 12 110. 42.3 Case 12 111. 42.4 Case 12 112. 42.5 Case 12 113. 42.6 Case 12 114. 42.7 115. 42.8

Plasmacytoma

116. 61.0 26F: Multiple liver nodules Case 11 117. 61.1 Case 11 118. 61.2 Case 11 119. 61.3 Case 11 120. 61.4 Case 11 121. 61.5 Case 11 122. 61.6 Case 11 123. 61.7 124. 61.8

Metastatic melanoma (another face of the monster a reminder to stick with the basics when starting an immunopanel on something that looks weird is it epithelial, mesenchymal, lymphoid, melanoma)

125. 39.0 Case 9 37F: HSIL on Pap 126. 39.1 Case 9 127. 39.2 Case 9 128. 39.3 Case 9 129. 39.4 Case 9 130. 39.5 Case 9 131. 39.6 132. 39.7

Contamination from colon adenoma

133. 65.0 31F: Difficulty in breathing. Numerous nasal polyps Case 15 134. 65.1 Case 15 135. 65.2 Case 15 136. 65.3 Case 15 137. 65.4 Case 15 138. 65.5 Case 15 139. 65.6 Case 15 140. 65.7 Case 15 141. 65.8 Case 15 142. 65.9 143. 65.10

Respiratory epithelial adenomatoid hamartoma

144. 91.0 Case 4 23F: Right neck mass 145. 91.1 Case 4 146. 91.2 Case 4 147. 91.3 Case 4 148. 91.4 Case 4 149. 91.5 Case 4 150. 91.6 Case 4 151. 91.7 Case 4 152. 91.8 Case 4 153. 91.9 154. 91.10 155. 47.0 Case 17 65F: Wire directed breast excision 156. 47.1 Case 17 157. 47.2 Case 17 158. 47.3 Case 17 159. 47.4 Case 17 160. 47.5 Case 17 161. 47.6 162. 47.7

ADH

163. 100.0 54F Purple right ovarian mass 24 x 14 x 11 cm, 1567 gms Multiloculated Case 3 164. 100.1 Case 3 165. 100.2 Case 3 166. 100.3 Case 3 167. 100.4 Case 3 168. 100.5 Case 3 169. 100.6 170. 100.7

Mucinous borderline tumor

171. 52.0 49M Splenomegaly 3211.0 gms. Case 2 172. 52.1 Case 2 173. 52.2 Case 2 174. 52.3 Case 2 175. 52.4 Case 2 176. 52.5 Case 2 177. 52.6 178. 52.7

Hairy cell leukemia

179. 59.0 4.5 cm retroperitoneal mass Case 9 180. 59.1 Case 9 181. 59.2 Case 9 182. 59.3 Case 9 183. 59.4 Case 9 184. 59.5 185. 59.6

Adrenal myelolipoma

186. 51.0 74F: Endometrial hyperplasia versusendometrial carcinoma Case 1 187. 51.1 Case 1 188. 51.2 Case 1 189. 51.3 Case 1 190. 51.4 Case 1 191. 51.5 Case 1 192. 51.6 193. 51.7

Colonic adenocarcinoma invading endometrium

194. 1.0 Case 1 Mastectomy for DCIS 195. 1.1 Case 1 196. 1.2 Case 1 197. 1.3 Case 1 198. 1.4 Case 1 199. 1.5 200. 1.6

Lactiferous duct

201. 8.0 Case 8 FNA cirrhotic liver 202. 8.1 Case 8 203. 8.2 Case 8 204. 8.3 Case 8 205. 8.4 Case 8 206. 8.5 Case 8 207. 8.6 208. 8.7

Well differentiated HCC

209. 11.0 Case 11 Rising sun 210. 11.1 Case 11 211. 11.2 Case 11 212. 11.3 Case 11 213. 11.4 Case 11 214. 11.5 Case 11 215. 11.6 Case 11 216. 11.7 Case 11 217. 11.8 Case 11 218. 11.9 219. 11.10

Prostate adenocarcinoma 3+3=6

220. 17.0 42F, maternal aunt diagnosed withbreastcancer at 53 yrs Bilateral areas of mammographic distortion Case 2 221. 17.1 Case 2 222. 17.2 Case 2 223. 17.3 Case 2 224. 17.4 Case 2 225. 17.5 Case 2 226. 17.6 227. 17.7

Sclerosing adenosis

228. 93.0 Case 6 54F: Neck dissection 229. 93.1 Case 6 230. 93.2 Case 6 231. 93.3 Case 6 232. 93.4 Case 6 233. 93.5 Case 6 234. 93.6 235. 93.7 236. 13.0 Case 13 39F: MRI guided breast biopsy 237. 13.1 Case 13 238. 13.2 Case 13 239. 13.3 Case 13 240. 13.4 Case 13 241. 13.5 Case 13 242. 13.6 243. 13.7

DCIS, intermediate nuc grade, Ca+

244. 71.0 61F: Complex cystic lesion in leftretroperitoneum Case 21 245. 71.1 Case 21 246. 71.2 Case 21 247. 71.3 Case 21 248. 71.4 Case 21 249. 71.5 Case 21 250. 71.6 251. 71.7

Well-differentiated liposarcoma

252. 31.0 Case 1 37F: HSIL on Pap 253. 31.1 Case 1 254. 31.2 Case 1 255. 31.3 Case 1 256. 31.4 Case 1 257. 31.5 Case 1 258. 31.6 Case 1 259. 31.7 260. 31.8

SCC in-situ colonizing endocer gls

261. 89.0 Case 2 33F: Cervical cancer versus uterine cancer Total abdominal hysterectomy 262. 89.1 Case 2 263. 89.2 Case 2 264. 89.3 Case 2 265. 89.4 Case 2 266. 89.5 Case 2 267. 89.6 Case 2 268. 89.7 Case 2 269. 89.8 Case 2 270. 89.9 Case 2 271. 89.10 Case 2 272. 89.11 273. 89.12 274. 106.0 39F Right pelvic lymph node removed for staging Frozen section of ovarian mass reported as At least serous borderline, well-differentiated carcinoma cannot be excluded. Case 9 275. 106.1 Case 9 276. 106.2 Case 9 277. 106.3 Case 9 278. 106.4 Case 9 279. 106.5 Case 9 280. 106.6 281. 106.7

Cystic endosalpingiosis

282. 66.0 75F Case 16 283. 66.1 Case 16 284. 66.2 Case 16 285. 66.3 Case 16 286. 66.4 Case 16 287. 66.5 Case 16 288. 66.6 289. 66.7

Spleen; extramedullary hematopoesis

290. 15.0 Case 15 66M.No history 291. 15.1 292. 15.2 293. 15.3 294. 15.4 295. 15.5 296. 15.6 297. 15.7

Urothelial carcinoma in-situ; cystic von Brunns nest of cystitis cystica

298. 70.0 47F: Left ovary Case 20 299. 70.1 Case 20 300. 70.2 Case 20 301. 70.3 Case 20 302. 70.4 Case 19 303. 70.5 Case 20 304. 70.6 305. 70.7

carcinosarcoma