Palate Benign Mixed Tumor

KEY FACTS Terminology Definition: Benign minor salivary gland tumor of palate Abbreviation: Benign mixed tumor (BMT) Synonym: Palate pleomorphic adenoma 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

Oral Cavity Abscess

KEY FACTS Terminology Synonyms: Sublingual space (SLS), submandibular space (SMS), root of tongue (ROT), or oral cavity (OC) transspatial abscess OC abscess: Focal collection of pus within OC space(s) May be in 1 space or multiple contiguous spaces (transspatial) 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

Oral Cavity Sialocele

KEY FACTS Terminology Definition: Ruptured submandibular duct (SMD) extravasates saliva into sublingual space (SLS) 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

Ranula

KEY FACTS Terminology Definitions: Simple ranula (SR), diving ranula (DR) SR: Sublingual gland (SLG) retention cyst in sublingual space (SLS) – Initially true cyst; may become small pseudocyst DR: SR ruptured to form pseudocyst that spreads into submandibular space (SMS) 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

Lingual Thyroid

KEY FACTS Terminology Lingual thyroid definition: Thyroid tissue in abnormal location in base of tongue or floor of mouth Synonym: Ectopic thyroid tissue 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

Oral Cavity Dermoid and Epidermoid

KEY FACTS Terminology Cystic oral cavity (OC) lesion resulting from congenital epithelial inclusion or rest Dermoid: Epithelial elements plus dermal adnexa Epidermoid: Epithelial elements only 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

Oral Cavity Overview

Summary Thoughts: Oral Cavity The oral cavity (OC) is the area of the suprahyoid neck anterior to the oropharynx and inferior to the sinonasal region. Imaging indications for the OC are usually highly refined because the referring physician can see all mucosal surfaces and palpate most lesions found here. The role of imaging for the clinician is to assess the deep tissue extent of OC tumors…

Fibromatosis of Head and Neck

KEY FACTS Terminology Synonyms: Aggressive fibromatosis, extraabdominal desmoid, desmoid fibromatosis, infantile fibromatosis Definition: Rare infiltrative mass of benign monoclonal fibroblast proliferation that never metastasizes 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

Lymphocele of Neck

KEY FACTS Terminology Benign lymph-filled cyst due to leaking lymphatic channels Synonyms: Lymphatic cyst, lymphocyst, chylocele, chyloma, chylous cyst, (distal) thoracic duct cyst 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

Non-Hodgkin Lymphoma of Head and Neck

KEY FACTS Terminology N on- H odgkin L ymphoma (NHL) Heterogeneous lymphoreticular system malignancy H&N NHL has multiple forms Nodal, nonnodal lymphatic (Waldeyer lymphatic ring), extralymphatic (e.g., skull base, thyroid, sinuses) 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

Posttransplantation Lymphoproliferative Disorder

KEY FACTS Terminology Posttransplantation lymphoproliferative disorder (PTLD) Uncontrolled lymphoid growth in transplant recipient on immunosuppressive therapy Disease spectrum ranges from hyperplasia to malignancy Reactive hyperplasia → polymorphic PTLD → monomorphic PTLD → Hodgkin disease & non-Hodgkin lymphoma-like PTLD 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

Plexiform Neurofibroma of Head and Neck

KEY FACTS Terminology Plexiform neurofibroma: Architecturally complex neurofibroma involving multiple nerve fascicles Pathognomonic for neurofibromatosis type 1 (NF1) 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

Prominent Thoracic Duct in Neck

KEY FACTS Terminology Synonym: Prominent, normal left lymphatic duct Definition: Normal anatomical structure draining lymph and chyle from abdomen and left chest 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