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Case Reports
. 2019 Mar;111(1):13-17.
doi: 10.32074/1591-951X-26-17.

Hemangioma of the umbilical cord with associated amnionic inclusion cyst: two uncommon entities occurring simultaneously

Affiliations
Case Reports

Hemangioma of the umbilical cord with associated amnionic inclusion cyst: two uncommon entities occurring simultaneously

G Angelico et al. Pathologica. 2019 Mar.

Erratum in

Abstract

Umbilical cord hemangioma is an uncommon benign vascular neoplasm arising from the free segment of the umbilical cord, distinct from placental and fetal insertion, and is thought to originate from endothelial cells of the umbilical vessels. Cystic changes in the umbilical cord rarely occur as a consequence of the damage to the amnionic surface of the cord caused by the presence of the hemangioma. Until now, a total of 8 cases of umbilical cord hemangioma associated with cystic changes in the umbilical cord have been reported in the literature, however, among these cases, only one showed an associated cyst derived from inclusion of the amniotic epithelium, and the remaining seven cases consisted of hemangiomas with associated pseudocyst of the umbilical cord. We herein report a case of umbilical cord hemangioma with an associated amnionic epithelial inclusion cyst. Clinicopathological features and differential diagnostic considerations are also discussed.

Keywords: Amnionic epithelium; Cyst; Hemangioma; Plancenta; Umbilical cord.

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Conflict of interest statement

CONFLICT OF INTEREST STATEMENT

None declared.

Figures

Fig. 1.
Fig. 1.
A) Macroscopic appearance the placenta and umbilical cord. A large cystic mass of 10 cm in greatest diameter can be appreciated in the umbilical cord close to the placental insertion. B) On histological examination, the cystic mass consisted of a single layer of eosinophilic cells. Myxoid degeneration of the cystic wall can also be appreciated. C) Higher magnification of the cyst reveals a single layer of amnionic epithelial cells with flattened or cuboidal morphology (arrow). The epithelial origin of the cyst is confirmed by positive immunostain for pan-cytokeratin antibody (clone AE1/AE3) (inset; D).
Fig. 2.
Fig. 2.
A) Photomicrograph of the hemagioma showing multiple round or elongated, vascular channel surrounding the umbilical artery (UA) (Stain: Haematoxylin and Eosin). B) The neoplastic vessels seem to originate and radiate from the umbilical artery (arrow). C) The neoplastic vascular channels are embedded in a dense myxoid stroma and show diffuse immunohistochemical staining for CD31 antibody (D).

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