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Histology of the Small Intestine

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The small intestine exhibits a unique histological structure that significantly enhances its function in digestion and nutrient absorption. These structures include circular folds, villi, and various specialized cells that collectively facilitate the digestion of food.
The intestinal lining features transverse folds called circular folds, each housing fingerlike projections known as intestinal villi. These villi are covered by a layer of simple columnar epithelium, also referred to as...

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The Colon-26 Carcinoma Tumor-bearing Mouse as a Model for the Study of Cancer Cachexia

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Histopathologic Features of Mucosal Head and Neck Cancer Cachexia.

Alexander J Jones¹, Leah J Novinger², Andrea Bonetto²

¹Indiana University School of Medicine Department of Otolaryngology-Head & Neck Surgery, Indianapolis, IN, USA.

International Journal of Surgical Oncology

|July 5, 2024

Summary

This summary is machine-generated.

Head and neck cancer (HNC) cachexia is linked to larger, more invasive tumors with nodal metastases. Aggressive histologic features significantly contribute to cachexia severity in these patients.

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Area of Science:

Oncology
Pathology
Cancer Research

Background:

Cachexia significantly impacts head and neck cancer (HNC) patients.
Understanding histopathologic correlates of cachexia is crucial for patient management.

Purpose of the Study:

To identify histopathologic features associated with cachexia severity in HPV-negative mucosal squamous cell carcinoma of the aerodigestive tract.

Main Methods:

Retrospective analysis of 222 patients with HNC undergoing resection and reconstruction.
Collected data included demographics, comorbidities, nutrition, and surgical pathology.
Compared histopathologic features between patients with and without severe cachexia.

Main Results:

Cachexia was present in 57.2% of patients; 18.5% had severe cachexia.
Severe cachexia correlated with lower hemoglobin and albumin, larger tumor size, greater invasion depth, and advanced T/N stage.
Multivariate analysis identified tumor size, oral cavity location, and nodal burden as significant contributors to cachexia.

Conclusions:

Larger, invasive tumors with nodal involvement and aggressive histologic features are associated with increased cachexia severity in mucosal HNC.
These findings highlight the importance of histopathology in predicting and managing cachexia in HNC.