Difference between revisions of "Nodal nevus"

From Libre Pathology
Jump to: navigation, search
(create)
(No difference)

Revision as of 23:20, 10 June 2019

Nodal nevus, also capsular nevus, is benign lymph node findings that can be mistaken for malignant melanoma.[1]

Nevus in lymph node redirects here.

General

Gross

  • Usually not apparent.

Microscopic

Features:

  • Nevus cells with bland cytomorphology.
    • Lack size variation, nucleoli.
    • Non-proliferative.

Note:

  • No standardized criteria.[3]

DDx:

IHC

Features:[3]

  • S-100 +ve.

References

  1. Lee, JJ.; Granter, SR.; Laga, AC.; Saavedra, AP.; Zhan, Q.; Guo, W.; Xu, S.; Murphy, GF. et al. (Feb 2015). "5-Hydroxymethylcytosine expression in metastatic melanoma versus nodal nevus in sentinel lymph node biopsies.". Mod Pathol 28 (2): 218-29. doi:10.1038/modpathol.2014.99. PMID 25081754.
  2. Prieto, VG. (09 2017). "Sentinel Lymph Nodes in Cutaneous Melanoma.". Clin Lab Med 37 (3): 417-430. doi:10.1016/j.cll.2017.05.002. PMID 28802493.
  3. 3.0 3.1 3.2 Davis, J.; Patil, J.; Aydin, N.; Mishra, A.; Misra, S. (2016). "Capsular nevus versus metastatic malignant melanoma - a diagnostic dilemma.". Int J Surg Case Rep 29: 20-24. doi:10.1016/j.ijscr.2016.10.040. PMID 27810606.