Zusammenfassung
Auch wenn Pathologen geschult werden, um die gleichen histologischen Merkmale in der Diagnose und Graduierung der Barrett-Dysplasie/Neoplasie zu erkennen, werden nicht alle Pathologen gleichartig durch die Ausprägung der morphologischen Eigenschaften des Gewebes in der Diagnose der Barrett-Dysplasie beeinflusst. Die Kriterien, die die meisten Pathologen intuitiv nutzen, um eine Graduierung des Schweregrades der Barrett-Dysplasie zu erreichen, basieren im Wesentlichen auf der allgemeinen Gewebearchitektur sowie auf der nukleären Verdrängung, Orientierung und Pseudostratifikation. Interessanterweise wurde die nukleäre Größe von den meisten Pathologen nicht herangezogen, wohl aber Pleomorphie und Symmetrie der Zellkerne. Das vielleicht für das menschliche Auge am schwierigsten wahrzunehmende Kriterium sind Veränderungen der Chromatintextur (z. B. Margination oder Heterogenität). Das Problem liegt jedoch darin, dass unsere Gruppe in einer früheren Arbeit die prädiktive Bedeutung gerade dieser Texturkriterien darlegen konnte. Aus diesem Grund sind derartige Kernkriterien Gegenstand einer computerisierten Analyse. Die Tatsache, dass einige Pathologen die nukleären Veränderungen jedoch sehr wohl zur Graduierung der histologischen Diagnose herangezogen haben, spricht dafür, weiter zu versuchen, die Analyse der Kernveränderungen bei der Graduierung der Barrett-Neoplasie ähnlich wie in der Zytologie heranzuziehen und diese weiterzuentwickeln.
Abstract
Even though pathologists are trained to recognize the same histological features for the diagnosis and grading of different histological images, not all pathologists are influenced to a similar level of intensity by the same morphological characteristics of the tissue when scoring Barrett’s dysplasia/neoplasia. The variables which most pathologists have intuitively chosen to use for scoring of the severity of Barrett’s changes are mainly those related to the general tissue architecture, such as nuclear crowding, orientation and stratification. Interestingly, nuclear size is not used by most pathologists but nuclear pleomorphism and symmetry does influence a significant number of pathologists. Maybe the most difficult variables for the human eye to recognize are variables of chromatin texture (such as margination or heterogeneity), the predictive importance of which has been demonstrated in a previously published work. Textural variables may therefore remain the subject of a computerized analysis. Nevertheless, the fact that a few pathologists do actually correlate with nuclear texture in scoring, argues in favor of making further attempts to train pathologists to also rely on texture, similar to cytologists, when scoring Barrett’s dysplasia.
Literatur
Goldblum JR (2003) Barrett’s esophagus and Barrett’s-related dysplasia. Mod Pathol 163:16–24
Montgomery E (2002) Update on Grading Dysplasia in Barrett’s esophagus pathology. Case Reviews 7(1)
Montgomery E, Goldblum JR, Greenson JK et al (2001) Dysplasia as a predictive marker for invasive carcinoma in Barrett esophagus: a follow-up study based on 138 cases from a diagnostic variability study. Hum Pathol 32:379–388
Voltaggio L, Montgomery EA, Lam-Himlin D (2011) A clinical and histopathologic focus on Barrett esophagus and Barrett-Related dysplasia. Arch Pathol Lab Med 135:1249–1260
Vieth M, Langner C, Neumann H, Takubo K (2012) Barrett’s esophagus. Practical issues for daily routine diagnosis. Pathol Res Pract 208(5):261–268
Takubo K, Vieth M, Aida J et al (2009) Differences in the definitions used for esophageal and gastric diseases in different countries. Digestion 80:248–257
Montgomery E (2005) Is there a way for pathologists to decrease interobserver variability in the diagnosis of dysplasia? Arch Pathol Lab Med 129:174–176
Reid BJ, Haggitt RC, Rubin CE et al (1988) Observer variation in the diagnosis of dysplasia in Barrett’s esophagus. Hum Pathol 19:166–178
Haggitt RC (1994) Barrett’s esophagus, dysplasia, and adenocarcinoma. Hum Pathol 25:982–993
Haggitt RC (2000) Pathology of Barrett’s esophagus. J Gastrointest Surg 4:117–118
Odze DR (2006) Diagnosis and grading of dysplasia in Barrett’s oesophagus. J Clin Pathol 59:1029–1038
Fennerty MB, Sampliner RE, Garewal HS (1993) Review article: Barrett’s oesophagus – cancer risk, biology and therapeutic management. Aliment Pharmacol Ther 7:339–345
Rabinovitch PS, Longton G, Blount PL et al (2001) Predictors of progression in Barrett’s esophagus III: baseline flow cytometric variables. Am J Gastroenterol 96:3071–3083
Koppert LB, Wijnhoven BP, Dekken H van et al (2005) The molecular biology of esophageal adenocarcinoma. J Surg Oncol 92:169–190
Montgomery EA, Hartmann DP, Carr NJ et al (1996) Barrett esophagus with dysplasia. Flow cytometric DNA analysis of routine, paraffin-embedded mucosal biopsies. Am J Clin Pathol 106:298–304
Maley CC, Galipeau PC, Li X et al (2004) The combination of genetic instability and clonal expansion predicts progression to esophageal adenocarcinoma. Cancer Res 64:7629–7633
Sabo E, Meitner PA, Tavares R et al (2008) Expression analysis of Barrett’s esophagus associated high-grade dysplasia in laser capture microdissected archival tissue. Clin Cancer Res 14(20)
Polkowski W, Baak JP, Lanschot JJ van et al (1998) Clinical decision making in Barrett’s oesophagus can be supported by computerized immunoquantitation and morphometry of features associated with proliferation and differentiation. J Pathol 184:161–168
Sandick JW van, Baak JP, Lanschot JJ van et al (2000) Computerized quantitative pathology for the grading of dysplasia in surveillance biopsies of Barrett’s oesophagus. J Pathol 190:177–183
Odze DR (2006) Diagnosis and grading of dysplasia in Barrett’s oesophagus. J Clin Pathol 59:1029–1038
Baak JP, Ten Kate FJ, Offerhaus GJ et al (2002) Routine morphometrical analysis can improve reproducibility of dysplasia grade in Barrett’s oesophagus surveillance biopsies. J Clin Pathol 55:910–916
Mueller J, Werner M, Stolte M (2004) Barrett’s esophagus: histopathologic definitions and diagnostic criteria. World J Surg 28:148–154
Sabo E, Beck AH, Montgomery EA et al (2006) Computerized morphometry as an aid in determining the grade of dysplasia and progression to adenocarcinoma in Barrett’s esophagus, Lab Invest 86:1261–1271
Reid BJ, Haggitt RC, Rubin EC et al (1988) Observer variation in the diagnosis of dysplasia in Barrett’s esophagus. Hum Pathol 19:166–178
Geboes K, Van Eyken P (2000) The diagnosis of dysplasia and malignancy in Barrett’s oesophagus. Histopathol 37:99–107
Pennathur A, Landreneau RJ, Luketich JD (2005) Surgical aspects of the patient with high-grade dysplasia. Semin Thorac Cardiovasc Surg 17:326–332
Mahajan D, Bennett AE, Liu X et al (2010) Grading of gastric foveolar-type dysplasia in Barrett’s esophagus. Mod Pathol 23:1–11
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Sabo, E., Klorin, G., Montgomery, E. et al. Subjektive Graduierung von Barrett-Neoplasien durch den Pathologen. Pathologe 34, 133–137 (2013). https://doi.org/10.1007/s00292-012-1732-3
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DOI: https://doi.org/10.1007/s00292-012-1732-3