Paget cells in the esophagus

Assessment of their histopathologic features and near-universal association with underlying esophageal adenocarcinoma

Susan C. Abraham, Huamin Wang, Kenneth Ke Ning Wang, Tsung Teh Wu

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Pagetoid spread of primary esophageal melanomas and several cases of pagetoid esophageal squamous cell carcinoma are known. However, true esophageal Paget disease (intraepithelial growth of neoplastic cells with glandular differentiation) has only rarely been reported. We encountered 3 endoscopic biopsy specimens containing Paget cells in squamous epithelium associated with adenocarcinomas in Barrett esophagus (BE) and in the esophagogastric junction. To determine the prevalence of Paget cells in the esophagus, we studied 81 endoscopic mucosal resections and 27 esophagectomies from patients with invasive or intramucosal adenocarcinoma, and compared the findings to a control group of 47 endoscopic mucosal resections and 25 esophagectomies from patients with high-grade dysplasia in BE. Paget cells were present in squamous epithelium overlying 5 (4.9%) of 108 adenocarcinomas but in none (0%) of 72 BE with high-grade dysplasia (P=0.16). A computerized search for primary Paget disease using the terms "Page 's and esophagus" or "pagetoid and esophagus" from 1994 to 2007 did not yield any additional cases. Among the 8 patients with Paget cells (including the 2 index biopsies) there were no differences in either sex distribution (7M:1F) or age (mean 62.4y) as compared with 103 adenocarcinomas without Paget cells (93M:10F, P=0.58; mean age 69.2y, P=0.78). Morphologically, all adenocarcinomas with Paget cells contained at least a component of diffuse, poorly differentiated adenocarcinoma, and 1 was a signet ring cell carcinoma. Paget cells involved only squamous epithelium directly above the poorly differentiated tumor foci. Histochemistry for periodic acid-Schiff with diastase (PAS-D) and mucicarmine, and immunohistochemistry for CK7, CK20, p53, and E-cadherin, were performed on 7 Paget cases with the following results: PAS-D+ (7 of 7, 100%), mucicarmine+ (6 of 7, 86%), CK7+ (7 of 7, 100%), CK20+ (5 of 7, 71%), p53 overexpression (3 of 7, 43%), and E-cadherin loss (complete loss in 1 and faint expression in 3, 57%). Overall, PAS-D was the most efficacious stain for highlighting Paget cells. A control group of 19 adenocarcinomas without Paget cells were also stained for E-cadherin; only 1 showed faint expression (5%) and none showed complete loss (P=0.01). These results demonstrate a low but significant prevalence (4.9%) of Paget cells in esophageal and esophagogastric junction adenocarcinomas. Unlike previously described cases of mammary, vulvar, and perianal Paget disease, esophageal Paget cells are almost universally associated with underlying adenocarcinoma and not with high grade dysplasia ("in situ" disease) or primary Paget disease. A commonality among cases with Paget cells is the presence of focal or diffuse, poorly differentiated adenocarcinoma with discohesive cells. E-cadherin alterations seem to play a less significant role.

Original languageEnglish (US)
Pages (from-to)1068-1074
Number of pages7
JournalAmerican Journal of Surgical Pathology
Volume32
Issue number7
DOIs
StatePublished - Jul 2008

Fingerprint

Esophagus
Adenocarcinoma
Cadherins
Periodic Acid
Barrett Esophagus
Amylases
Esophageal Diseases
Esophagogastric Junction
Esophagectomy
Epithelium
Signet Ring Cell Carcinoma
Biopsy
Control Groups
Sex Distribution
Melanoma
Breast
Coloring Agents
Epithelial Cells
Immunohistochemistry

Keywords

  • Adenocarcinoma
  • E-cadherin
  • Esophagus
  • Extramammary
  • Paget

ASJC Scopus subject areas

  • Anatomy
  • Pathology and Forensic Medicine
  • Surgery
  • Medicine(all)

Cite this

Paget cells in the esophagus : Assessment of their histopathologic features and near-universal association with underlying esophageal adenocarcinoma. / Abraham, Susan C.; Wang, Huamin; Wang, Kenneth Ke Ning; Wu, Tsung Teh.

In: American Journal of Surgical Pathology, Vol. 32, No. 7, 07.2008, p. 1068-1074.

Research output: Contribution to journalArticle

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AU - Wu, Tsung Teh

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N2 - Pagetoid spread of primary esophageal melanomas and several cases of pagetoid esophageal squamous cell carcinoma are known. However, true esophageal Paget disease (intraepithelial growth of neoplastic cells with glandular differentiation) has only rarely been reported. We encountered 3 endoscopic biopsy specimens containing Paget cells in squamous epithelium associated with adenocarcinomas in Barrett esophagus (BE) and in the esophagogastric junction. To determine the prevalence of Paget cells in the esophagus, we studied 81 endoscopic mucosal resections and 27 esophagectomies from patients with invasive or intramucosal adenocarcinoma, and compared the findings to a control group of 47 endoscopic mucosal resections and 25 esophagectomies from patients with high-grade dysplasia in BE. Paget cells were present in squamous epithelium overlying 5 (4.9%) of 108 adenocarcinomas but in none (0%) of 72 BE with high-grade dysplasia (P=0.16). A computerized search for primary Paget disease using the terms "Page 's and esophagus" or "pagetoid and esophagus" from 1994 to 2007 did not yield any additional cases. Among the 8 patients with Paget cells (including the 2 index biopsies) there were no differences in either sex distribution (7M:1F) or age (mean 62.4y) as compared with 103 adenocarcinomas without Paget cells (93M:10F, P=0.58; mean age 69.2y, P=0.78). Morphologically, all adenocarcinomas with Paget cells contained at least a component of diffuse, poorly differentiated adenocarcinoma, and 1 was a signet ring cell carcinoma. Paget cells involved only squamous epithelium directly above the poorly differentiated tumor foci. Histochemistry for periodic acid-Schiff with diastase (PAS-D) and mucicarmine, and immunohistochemistry for CK7, CK20, p53, and E-cadherin, were performed on 7 Paget cases with the following results: PAS-D+ (7 of 7, 100%), mucicarmine+ (6 of 7, 86%), CK7+ (7 of 7, 100%), CK20+ (5 of 7, 71%), p53 overexpression (3 of 7, 43%), and E-cadherin loss (complete loss in 1 and faint expression in 3, 57%). Overall, PAS-D was the most efficacious stain for highlighting Paget cells. A control group of 19 adenocarcinomas without Paget cells were also stained for E-cadherin; only 1 showed faint expression (5%) and none showed complete loss (P=0.01). These results demonstrate a low but significant prevalence (4.9%) of Paget cells in esophageal and esophagogastric junction adenocarcinomas. Unlike previously described cases of mammary, vulvar, and perianal Paget disease, esophageal Paget cells are almost universally associated with underlying adenocarcinoma and not with high grade dysplasia ("in situ" disease) or primary Paget disease. A commonality among cases with Paget cells is the presence of focal or diffuse, poorly differentiated adenocarcinoma with discohesive cells. E-cadherin alterations seem to play a less significant role.

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