Giant Lymph Node Hyperplasia (Castleman Disease)

KEY FACTS Terminology Castleman disease (CD) Uncommon benign idiopathic hypervascular polyclonal lymphoid hyperplasia Histologic subtypes Hyaline vascular (90%) Plasma cell (10%) – Human herpesvirus 8 (HHV-8) related 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

Sarcoidosis Lymph Nodes

KEY FACTS Terminology Sarcoidosis definition: Noncaseating granulomatous inflammatory disease of unknown or autoimmune 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

Non-TB *Mycobacterium* Nodes

KEY FACTS Terminology Non-TB Mycobacterium (NTM) nodes: Chronic neck infection with NTM Most often Mycobacterium avium complex 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

Tuberculous Lymph Nodes

KEY FACTS Terminology Synonym: Cervical TB adenitis Definition: Mycobacterium tuberculosis nodal infection 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

Suppurative Lymph Nodes

KEY FACTS Terminology Adenitis, acute lymphadenitis, intranodal abscess Pus formation within nodes from bacterial infection 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

Reactive Lymph Nodes

KEY FACTS Terminology Definition: Benign, reversible enlargement of nodes in response to antigen stimulus 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

Lymph Node Overview

Lymph Nodes Differential Diagnosis Inflammatory Infectious Regional metastases Reactive nodes Viral upper respiratory infection Squamous cell carcinoma Castleman disease Tuberculosis NHL Kimura disease Atypical Mycobacterium species Melanoma Kikuchi disease Cat-scratch disease Salivary neoplasms Rosai-Dorfman disease HIV adenopathy Thyroid carcinoma Inflammatory pseudotumor Malignant primary tumor Lung cancer Hodgkin lymphoma Non-Hodgkin lymphoma (NHL) Systemic metastases Summary Thoughts: Cervical Nodes Cervical lymph nodes can be classified based on anatomic…

Vocal Cord Paralysis

KEY FACTS Terminology Definition: Immobilization of true vocal cord by ipsilateral vagus (CNX) or recurrent laryngeal nerve dysfunction 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

Laryngeal Chondrosarcoma

KEY FACTS Terminology Definition: Cartilage-producing chondrocytic neoplasm with cellular atypia, bone destruction, or local invasion 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

Adult Supraglottitis

KEY FACTS Terminology Definition: Relatively uncommon, potentially life-threatening infection/inflammation of supraglottic larynx in adult presenting with sore throat & dysphagia 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

Epiglottitis in Child

KEY FACTS Terminology Infectious inflammation of epiglottis and supraglottic larynx → airway obstruction 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

Hypopharynx, Larynx, and Trachea Overview

Summary Thoughts: Hypopharynx & Larynx The hypopharynx and larynx both begin at the lower margin of the oropharynx and end at the lower margin of the cricoid cartilage. The hypopharynx is part of the digestive tract, carrying food and liquids to the esophagus. The larynx is part of the respiratory tract, connecting to the trachea, creating speech, and preventing aspiration. Imaging of the hypopharynx and larynx…

Lateral Cervical Esophageal Diverticulum

KEY FACTS Terminology Synonym: Killian-Jamieson diverticulum Lateral outpouching from proximal cervical esophagus below cricopharyngeus muscle Imaging Small, smoothly marginated lateral sac Usually unilateral , left sided Bilateral in 25%; rarely unilateral, right sided Diameter: 0.2-5.0 cm; average: 1.4 cm Barium swallow (frontal & lateral) best imaging tool Lateral sac; overlaps anterior esophageal wall Incidental finding on CECT/MR Round or oval mass lateral to esophagus Abuts and…

Colloid Cyst of Thyroid

KEY FACTS Terminology Synonym: Colloid nodule Definition: Fluid lesion of thyroid containing stored form of thyroid hormone (colloid) 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