ADIPOSE TISSUE IN PAROTID GLAND Figure 1-16 ADIPOSE TISSUE IN PAROTID GLAND A: The parotid gland from a neonate contains no discernible adipose tissue. B: A moderate amount of intralobular adipose tissue from the parotid gland of a middle-aged adult. C: Prominent intraparotid adipose tissue fro... More about this image found in ADIPOSE TISSUE IN PAROTID GLAND A: The parotid gland from a neonate contai...

ANATOMIC RELATIONSHIP OF PAROTID AND SUBMANDIBULAR GLANDS Figure 1-5 ANATOMIC RELATIONSHIP OF PAROTID AND SUBMANDIBULAR GLANDS The anatomic position and relationship of the parotid and submandibular glands to the ear, zygomatic arch, mandible, and masseter muscle in a lateral view of the head are... More about this image found in ANATOMIC RELATIONSHIP OF PAROTID AND SUBMANDIBULAR GLANDS The anatomic pos...

FACIAL NERVE BRANCHES IN PAROTID GLAND Figure 1-19 FACIAL NERVE BRANCHES IN PAROTID GLAND Segments of peripheral nerve often are in close proximity to parotid parenchyma. More about this image found in FACIAL NERVE BRANCHES IN PAROTID GLAND Segments of peripheral nerve often ...

SEBACEOUS CELLS IN PAROTID GLAND Figure 1-18 SEBACEOUS CELLS IN PAROTID GLAND Foci of sebaceous cells occur in most parotid glands, but are so few in number that they are uncommonly noticed in tissue sections from surgical excision specimens. More about this image found in SEBACEOUS CELLS IN PAROTID GLAND Foci of sebaceous cells occur in most par...

ACINIC CELL CARCINOMA Figure 6-58 ACINIC CELL CARCINOMA There is a large swelling over the right parotid gland in this male patient (left: front; right: side). (Courtesy of Dr. R. Carlos, Guatemala City, Guatemala.) More about this image found in ACINIC CELL CARCINOMA There is a large swelling over the right parotid gla...

ADENOID CYSTIC CARCINOMA: GROSS EXAMINATION Figure 6-103 ADENOID CYSTIC CARCINOMA: GROSS EXAMINATION These tumors in the parotid gland (left) and the larynx (right) have a similar appearance: a solid tan-white mass with irregular borders. More about this image found in ADENOID CYSTIC CARCINOMA: GROSS EXAMINATION These tumors in the parotid gl...

CARCINOMA EX-PLEOMORPHIC ADENOMA Figure 6-156 CARCINOMA EX-PLEOMORPHIC ADENOMA Left: Serial sections through a parotid gland tumor show a well-defined border, but with hemorrhage and degeneration. (Courtesy of Dr. R. Carlos, Guatemala City, Guatemala.) Right: The rounded nodule of pleomorphic ad... More about this image found in CARCINOMA EX-PLEOMORPHIC ADENOMA Left: Serial sections through a parotid g...

PRIMARY SQUAMOUS CELL CARCINOMA Figure 6-216 PRIMARY SQUAMOUS CELL CARCINOMA Low-power view of infiltrative parotid tumor invasion and an inflamed and fibrotic background. The apparent lobular configuration may partly be explained by areas of in situ growth of preexisting ducts. More about this image found in PRIMARY SQUAMOUS CELL CARCINOMA Low-power view of infiltrative parotid tum...

SALIVARY DUCT CARCINOMA Figure 6-301 SALIVARY DUCT CARCINOMA There is a large, left parotid gland tumor in the pre-auricular region of a patient with a salivary duct carcinoma. (Courtesy of Dr. R. Carlos, Guatemala City, Guatemala.) More about this image found in SALIVARY DUCT CARCINOMA There is a large, left parotid gland tumor in the ...

SMALL CELL CARCINOMA-EX PLEOMORPHIC ADENOMA Figure 6-325 SMALL CELL CARCINOMA-EX PLEOMORPHIC ADENOMA A: This longstanding parotid gland tumor has large zones of hyalinizing scar, with scattered areas of increased cellularity. B: The hyalinized core shows bland tubules surrounded by myoepithelial... More about this image found in SMALL CELL CARCINOMA-EX PLEOMORPHIC ADENOMA A: This longstanding parotid g...

MYOEPITHELIAL CARCINOMA Figure 6-329 MYOEPITHELIAL CARCINOMA Gross examination of this parotid gland tumor shows an irregular multinodular lesion infiltrating into the overlying skin and ear. Foci of hemorrhage are noted. More about this image found in MYOEPITHELIAL CARCINOMA Gross examination of this parotid gland tumor show...

LYMPHANGIOMA Figure 7-12 LYMPHANGIOMA Left: The parotid gland parenchyma is separated by dilated vascular spaces of variable size. Right: The vascular spaces are lined by flattened cuboidal endothelial cells and contain frothy intraluminal lymph fluid. More about this image found in LYMPHANGIOMA Left: The parotid gland parenchyma is separated by dilated va...

SOLITARY FIBROUS TUMOR IN THE PAROTID GLAND Figure 7-18 SOLITARY FIBROUS TUMOR IN THE PAROTID GLAND Left: An axial T1-weighted magnetic resonance image (MRI) (fat suppressed) after contrast shows a multilobular mass (arrow) replacing the salivary gland parenchyma. Right: This coronal view CT ima... More about this image found in SOLITARY FIBROUS TUMOR IN THE PAROTID GLAND Left: An axial T1-weighted mag...

PAROTID SOLITARY FIBROUS TUMOR Figure 7-19 PAROTID SOLITARY FIBROUS TUMOR Left: The salivary gland parenchyma is entrapped and included within a tumor that lacks a well-developed capsule. Right: This solitary fibrous tumor shows a sharp demarcation from the salivary gland, with a well-developed ... More about this image found in PAROTID SOLITARY FIBROUS TUMOR Left: The salivary gland parenchyma is entr...

DIFFUSE LARGE B-CELL LYMPHOMA Figure 8-7 DIFFUSE LARGE B-CELL LYMPHOMA Left: Parotid parenchyma is replaced by a diffuse population of large centroblastic lymphocytes. Flow cytometry demonstrated B-cell dominance and light chain clonality. Right: Irregularity of nuclear shape, open granular nucl... More about this image found in DIFFUSE LARGE B-CELL LYMPHOMA Left: Parotid parenchyma is replaced by a di...

FOLLICULAR LYMPHOMA Figure 8-8 FOLLICULAR LYMPHOMA Partial replacement of parotid gland parenchyma by several large irregularly shaped neoplastic follicles harboring a high percentage of centroblasts. A residual non-neoplastic secondary follicle with normal germinal center is at the upper left of... More about this image found in FOLLICULAR LYMPHOMA Partial replacement of parotid gland parenchyma by sev...