Sarcomas and carcinosarcomas are
rare tumors that can be seen using medical microscopes, accounting for approximately 0.1 to 1.5% of all esophageal
tumors. They present with the symptom of dysphagia, which does not differ from the dysphagia associated with the
more common epithelial carcinoma. Tumors located within the cervical or high thoracic esophagus can cause [...]

Benign tumors and cysts of the esophagus are relatively uncommon and
can be studied using medical microscopes. From the perspectives of both the clinician and the pathologist using a
medical microscope, benign tumors may be divided into those that are within the muscular wall and those that are
within the lumen of the esophagus.

Plummer-Vinson
Syndrome

This uncommon
clinical syndrome is characterized by dysphagia as­sociated with atrophic oral mucosa, spoon-shaped fingers with
brit­tle nails, and chronic anemia. It characteristically occurs in middle-aged edentulous women. Because iron-
deficiency anemia is a common finding, another name for this condition is sideropenic dys­phagia. The syndrome is
more common in the Scandinavian coun­tries than [...]