case_images: PMC6525859_01
case_images: Computed tomography of the head and neck showed a subglottic mass containing calcifications and causing airway obstruction (star).
case_images: CRIONM2019-9468194.001.jpg
case_images: PMC6525859_01_CRIONM2019-9468194.001.jpg
case_images: fig1
case_images: The patient underwent neck computed tomography (CT) which showed a large mass of glottic and subglottic plan lateralized on the left measuring 5 x 3.5 cm containing calcifications, causing a retraction of the laryngeal diameter and destruction of the cricoid cartilage (Figure 1).
case_images: Mildly cellular field with predominantly small mono- and binucleated chondrocytes with ample cytoplasm, consistent with low grade (grade 1). Haematoxylin & eosin staining; medium power magnification x250.
case_images: CRIONM2019-9468194.002.jpg
case_images: PMC6525859_01_CRIONM2019-9468194.002.jpg
case_images: fig2
case_images: Histological examination of the biopsy showed hyaline cartilage comprised of lobules of binucleated chondrocytes with increased nucleus to cytoplasmic ratios (Figure 2).
case_images: Macroscopic appearance of the laryngectomy showing a translucent tumor of the larynx.
case_images: CRIONM2019-9468194.003.jpg
case_images: PMC6525859_01_CRIONM2019-9468194.003.jpg
case_images: fig3
case_images: On the basis of the histological and radiological examinations performed, the patient underwent total laryngectomy (Figure 3).