PMC7294155_01
(a) Cellular material on the conventional smears, (b) scrape cellblock, (c) CD34 immunohistochemical, and (d) DOG 1 immunohistochemical (Case 1).
Cytojournal-17-9-g001.jpg
PMC7294155_01_Cytojournal-17-9-g001.jpg
F1
The spindle cells were immunopositive for CD34, Dog1, and CD117 [Figure 1].
PMC7294155_02
(a) Conventional smear (H&E), (b) scrape cellblock (H&E), (c) synaptophysin IHC and (d) NSE IHC (Case 2).
Cytojournal-17-9-g002.jpg
PMC7294155_02_Cytojournal-17-9-g002.jpg
F2
ICC on SCB was applied that was immunopositive for CDX2, Neuron Specific Enolase NSE, and synaptophysin [Figure 2].
(a) Conventional smear (H&E), (b) scrape cellblock (H&E), (c) CK20 IHC and (d) CA 19.9 IHC (Case 3).
Cytojournal-17-9-g003.jpg
PMC7294155_02_Cytojournal-17-9-g003.jpg
F3
CK20 and CA19.9 [Figure 3] immunopositivity on SCB proved it to be of pancreatic origin.
PMC7294155_03
(a) Conventional smear (H&E), (b) scrape cellblock (H&E), (c) CDX2 IHC and (d) CK20 IHC (Case 4).
Cytojournal-17-9-g004.jpg
PMC7294155_03_Cytojournal-17-9-g004.jpg
F4