Carotid Space Overview

Summary Thoughts: Carotid Space The carotid spaces (CSs) are paired tubular spaces that traverse the suprahyoid neck (SHN) and infrahyoid neck (IHN) just lateral to the retropharyngeal space (RPS). Another term for the CS is the retrostyloid parapharyngeal space (PPS). The CS is enveloped by the carotid sheath , which is made up of all 3 layers of deep cervical fascia . The SHN CS contains…

Metastatic Disease of Parotid Nodes

KEY FACTS Terminology Lymphangitic or hematogeneous tumor spread to intraglandular parotid lymph nodes Parotid and periparotid nodes = 1st-order nodal station for skin squamous cell carcinoma (SCCa) and melanoma from scalp, auricle, and face ("forgotten nodal station") You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Parotid Non-Hodgkin Lymphoma

KEY FACTS Terminology 3 forms of parotid involvement with non-Hodgkin lymphoma (NHL) Nodal NHL: Primary nodal NHL Nodal NHL: Systemic NHL involving parotid nodes Primary parenchymal NHL : Often mucosa-associated lymphoid tissue (MALT) You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Parotid Mucoepidermoid Carcinoma

KEY FACTS Terminology Mucoepidermoid carcinoma (MECa): Malignant epithelial salivary gland neoplasm composed of epidermoid & mucus-secreting cells arising from ductal epithelium You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Benign Lymphoepithelial Lesions of HIV

KEY FACTS Terminology 3-tiered classification Persistent generalized parotid lymphadenopathy: Solid intraparotid lesions Benign lymphoepithelial lesions (BLEL): Mixed solid and cystic lesions Benign lymphoepithelial (BLE) cysts: Cystic lesions You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Parotid Space Overview

Summary Thoughts: Parotid Space The parotid space (PS) lies in the lateral suprahyoid neck in the cheek anterior to the external auditory canal (EAC). The main content of the PS is the parotid gland, but many other critical structures, such as the facial nerve (CNVII), external carotid branches, and intraparotid lymph nodes, also lie within the boundaries of this space. The PS is traditionally divided into…

Masticator Space Sarcoma

KEY FACTS Terminology Masticator space (MS) sarcoma: Malignant tumor of soft tissue origin (fat, muscle, nerve, joint, blood vessel, or deep skin tissues) in MS of suprahyoid neck You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Masticator Space Abscess

KEY FACTS Terminology Definition: Abscess in masticator space (MS) from molar tooth infection or following dental procedure You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Radiology and Other Imaging-Related Organizations

1 What is the Radiological Society of North America (RSNA)? The RSNA is the largest international professional association in radiology and has a mission to promote excellence in patient care and health care delivery through education, research, and technological innovation. It publishes Radiology , the “gray journal,” which is the highest-impact scientific radiology journal, along with RadioGraphics for continuing medical education in radiology. Its annual meeting…