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426 Possible Causes for Epithelial Thickening

  • Common Cold

    The pus further irritates the mucosal lining causing more edema, epithelial destruction and ostial obstruction.[] When acute sinusitis is not resolved and becomes chronic, mucosal thickening results and the development of mucoceles and polyps may ensue.[]

  • Acute Bronchitis

    This inflammation causes the bronchial and tracheal mucosa to thicken as well as epithelial-cell desquamation and denuding of the basement membrane airway. 2,6 One of the[]

  • Sinusitis

    Histologic examination demonstrates that massive changes of the nasal glands are the reason for permanent mucosal thickening.[] Retention cysts, highly viscous mucus, mucus extravasations, and metaplastic epithelial changes add to the vicious cycle of blockage of the ostium-meatus unit. 1. .[]

  • Atopy

    Papillary hypertrophy of superior or inferior tarsal conjunctival can occur with increased risk for eyelid thickening and scarring.[] In more severe and untreated cases, patients can develop loss of eyelashes, conjunctival scarring, corneal neovascularization, ulcers or scars, punctate epithelial keratitis[]

  • White Sponge Nevus

    The characteristic histopathologic features are epithelial thickening, parakeratosis, and vacuolization of the suprabasal layer of oral epithelial keratinocytes.[] Histopathological features, including epithelial thickening, parakeratosis, extensive vacuolization of the suprabasal keratinocytes and compact aggregates of keratin intermediate[]

  • Sunburn

    In contrast, chronic sun exposure may promote epithelial thickening and protect melanocytes from UVR damage ( 44, 47 ): in occupational studies, workers with chronic sun exposure[]

  • Fibroma

    It was thickened and grossly showed filiform fibrous projections extending into the nail plate. Histologically, the nail displayed prominent oval clear channels.[] The stromal component predominated over the epithelial component in this neoplasm. The nail was preserved in formalin and underwent hematoxylin and eosin staining.[] The basaloid epithelium arose from the surface epithelial layer and formed a reticulated pattern extending into the stromal component (A) (H&E, original magnification 2).[]

  • Cholelithiasis

    […] of muscularis propria ( Am J Surg Pathol 2003;27:1313 ), cholesterolosis, focal epithelial metaplasia (pyloric / gastric mucin cell metaplasia or intestinal metaplasia) Back[] No definite entrapped epithelial crypts are identified within the gallbladder wall. The gallbladder wall is not significantly thickened. See also Gallbladder.[] […] porcelain gallbladder, stones 3 cm or larger Microscopic (histologic) description Minimal / mild lymphocytic mucosal inflammation, Rokitansky-Aschoff sinuses, fibrosis, thickening[]

  • Influenza

    Alveolar septa were thickened by dilatation of capillaries and infiltration with a few lymphocytes and neutrophils.[] There was evidence of epithelial regeneration, characterized by scattered atypical pneumocytes and ciliated epithelial cells lining the alveolar septa and bronchiolar walls[]

  • Urethritis

    Per operative report, the region of the ureter thickening had the gross appearance of ureteritis cystica (UC).[] During the second admission, a stent was placed in the left ureter and repeat biopsies of both the right and left ureters showed same findings of benign epithelial growth[]

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