KEY FACTS Terminology Synonyms: Lymphangioma, cystic hygroma Lymphatic malformation (LM): Congenital slow-flow lymph vessel tissue rest 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
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
KEY FACTS Terminology Accessory salivary tissue in mylohyoid boutonnière Definition: Normal salivary tissue in variant position within 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
KEY FACTS Terminology Hypoglossal nerve (CNXII) Loss of nerve supply to muscles of 1/2 tongue 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
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…
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
KEY FACTS Terminology Sinus histiocytosis: Benign pseudolymphomatous clinicopathologic entity of unknown etiology 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
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
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
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
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
KEY FACTS Terminology Benign neoplasm composed of mature fat 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
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
Summary Thoughts: Trans- and Multispatial Lesions Transspatial and multispatial terms are used to describe specific subsets of lesions found in the head and neck. The transspatial descriptor is used to describe a lesion that involves multiple contiguous spaces or areas of the extracranial head and neck. Multispatial is applied to a lesion that is found in multiple noncontiguous spaces or areas. Approaches to Imaging Issues in…
KEY FACTS Terminology Definition: Cervical metastatic adenopathy from infraclavicular primary tumor Virchow nodal metastasis: Left supraclavicular nodal lesion 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
KEY FACTS Terminology Abbreviation: Differentiated thyroid carcinoma (DTCa) Definition: Metastatic node(s) from papillary or follicular thyroid carcinoma 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
KEY FACTS Terminology Non-Hodgkin lymphoma (NHL) is lymphoreticular system malignancy Multiple different NHL subtypes Multiple manifestations of NHL in H&N Nodal, nonnodal lymphatic (Waldeyer lymphatic ring), nonnodal extralymphatic NHL 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
KEY FACTS Terminology Abbreviation: Hodgkin lymphoma (HL) Definition: Lymphoma with Reed-Sternberg cells 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
KEY FACTS Terminology Kimura disease (KD): Angiolymphoid proliferation with serum eosinophilia and elevated IgE Inflammatory disorder with multiple H&N masses 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
KEY FACTS Terminology Definition: Benign idiopathic necrotizing cervical adenitis of young Asian adults Synonym: Kikuchi-Fujimoto disease 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