Table 1

Immunohistochemical markers in the differential diagnosis of MCC.

CK-20
 TTF-1
 NSE
 S-100
 GrA
 SYP
 NFP
 CD56
 MAP-2
 LCA
MCC
 +
 -
 +
 -
 +/-
 +/-
 +
 +
 +
 -
SCLC
 -
 +
 +/-
 -
 -/+
 +
 -/+
 +
 +
 -
MM
 -
 -
 -
 +
 -
-
+
 -
LGNEC
 +
+
+
 +
 -/+


Malignant lymphoma
 -
 -
 -
 -
 -
-/+

+

+ positive, +/- mostly positive, -/+ mostly negative, - negative. CK-20 cytokeratin 20, TTF-1 thyroid transcription factor 1, NSE neuron-spesific enolase, GrA gromogranin A, NFP neurofilament proteins, CD56 neural adhesion molecule, MAP-2 microtubule associated protein 2, LCA leukocyte common antigen SCLC small cell lung carcinoma, MM malignant melanoma, LGNEC low grade neuroendocrine carcinomas

Koljonen World Journal of Surgical Oncology 2006 4:7   doi:10.1186/1477-7819-4-7