Johan H., Danish anatomist, 1850-1901. See: Chievitz layer, Chievitz organ.
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23-26) From the pathologist's perspective, adnexal nevi of the skin, (27-29) cutaneous reactions to Monsel solution (a styptic),30 and the presence of the organ of Chievitz (a carcinoma look-a-like) in biopsies of the oral mucosa (31,32) are singular pseudotumoral conditions with no clinical or radiographic corollaries.
On the other hand, the oral organ of Chievitz is a normal structure rather than an embryologic vestige, (31,32) but it is so uncommonly seen in mucosal biopsies that some observers fail to recognize it and confuse this inclusion with a malignant neoplasm (usually squamous carcinoma).
The organ of Chievitz (also called the juxtaoral organ) is a small structure located within the soft tissue overlying the angle of the mandible in the buccotemporal space.