From Wikidoc - Reading time: 23 min

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Syed Hassan A. Kazmi BSc, MD [2]
Laryngeal carcinoma must be differentiated from laryngeal syphilis, lymphoma, and chronic laryngitis.[1]
Laryngeal cancer should be differentiated from other diseases presenting as a neck mass. The following are the differentials:
| Category | Diseases | Benign/
Malignant |
Clinical manifestation | Paraclinical findings | Gold standard diagnosis | Associated findings | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Demography | History | Symptoms | Signs | Lab findings | Histopathology | Imaging | ||||||||
| Pain | Dysphagia | Mass exam | Others | |||||||||||
| Congenital | Branchial cleft cyst[2] |
|
|
− | ± |
|
|
− |
|
|
− | |||
| Thyroglossal duct cyst[3][4] |
|
|
− | − |
|
− | − |
|
|
− | − | |||
| Hemangioma[5] |
|
− | − |
|
|
|
|
|
||||||
| Vascular malformation[6][7] |
|
|
± | − |
|
|
|
|
|
− | ||||
| Category | Diseases | Benign | Demography | History | Pain | Dysphagia | Mass exam | Others | Lab findings | Histopathology | Imaging | Gold standard diagnosis | Associated findings | |
| Congenital | Lymphatic malformation[8][9] |
|
− | + |
|
|
− |
|
|
− | ||||
| Laryngocele[10][11][12] |
|
− | + |
|
|
− | − | |||||||
| Ranula[13][14] | − | − |
|
− | − |
|
|
− | − | |||||
| Category | Diseases | Benign | Demography | History | Pain | Dysphagia | Mass exam | Others | Lab findings | Histopathology | Imaging | Gold standard diagnosis | Associated findings | |
| Congenital | Teratoma[15][16] |
|
|
− | − |
|
− |
|
|
|
− | − | ||
| Dermoid cyst[17][18] | − | − |
|
|
− |
|
|
− | − | |||||
| Thymic cyst[19] | − | − |
|
− | − |
|
|
− | − | |||||
| Category | Diseases | Benign | Demography | History | Pain | Dysphagia | Mass exam | Others | Lab findings | Histopathology | Imaging | Gold standard diagnosis | Associated findings | |
| Inflammatory | Acute sialadenitis[20] |
|
|
+ | - |
|
|
|
|
− | ||||
| Chronic sialadenitis[21] |
|
|
+ | − |
|
|
|
|
|
− | ||||
| Reactive viral lymphadenopathy | CMV[22] |
|
|
− | − |
|
|
|
|
|
− | |||
| EBV[23][24] |
|
− | − |
|
|
|
|
|
− | |||||
| HIV[25] |
|
− | − |
|
|
|
|
|
|
− | ||||
| Viral URI[26] | − | − |
|
|
|
|
|
− | − | |||||
| Category | Diseases | Benign | Demography | History | Pain | Dysphagia | Mass exam | Others | Lab findings | Histopathology | Imaging | Gold standard diagnosis | Associated findings | |
| Inflammatory | Bacterial lymphadenopathy | Tularemia[27][28] |
|
+ | − |
|
|
|
|
− | ||||
| Brucellosis[29] |
|
+ | − |
|
|
|
|
− | ||||||
| Cat-scratch disease[30][31] |
|
+ | − |
|
|
− | − |
| ||||||
| Actinomycosis[32][33] | − | − |
|
|
|
− | ||||||||
| Mycobacterial infections[23][34][35] | − | − |
|
|
|
− | ||||||||
| Streptococcal infection[22][36] |
|
|
+ | + |
|
− | ||||||||
| Category | Diseases | Benign | Demography | History | Pain | Dysphagia | Mass exam | Others | Lab findings | Histopathology | Imaging | Gold standard diagnosis | Associated findings | |
| Inflammatory | Parasitic lymphadenopathy | Toxoplasma gondii[37][38] |
|
|
+ | − |
|
|
|
− | ||||
| Sarcoidosis[39][20] |
|
− | − |
|
|
|
| |||||||
| Sjögren syndrome[40] |
|
− | + |
|
|
|
|
− | ||||||
| Castleman disease (angiofollicular lymphoproliferative disease)[41][42] |
|
|
− | − |
|
|
|
|||||||
| Category | Diseases | Benign | Demography | History | Pain | Dysphagia | Mass exam | Others | Lab findings | Histopathology | Imaging | Gold standard diagnosis | Associated findings | |
| Inflammatory | Kikuchi disease (histiocytic necrotizing lymphadenitis)[43] |
|
+ | − |
|
|
|
− | ||||||
| Kimura disease[44] |
|
|
− | − |
|
|
|
− | ||||||
| Rosai-Dorfman disease[45][46] |
|
− | − |
|
|
− | − | − | − | |||||
| Kawasaki disease[47][48] |
|
|
− | − |
|
− |
|
− | ||||||
| Category | Diseases | Benign or Malignant | Demography | History | Pain | Dysphagia | Mass exam | Others | Lab findings | Histopathology | Imaging | Gold standard diagnosis | Associated findings | |
| Neoplasm | Salivary gland neoplasm | Pleomorphic adenoma[49][50] |
|
|
− | + |
|
− | − |
|
− | |||
| Warthin's tumor[51][52] |
|
|
− | + |
|
− | − |
|
− | |||||
| Oncocytoma |
|
|
± | ± |
|
|
|
|
|
- | ||||
| Monomorphic adenoma [54][55][56] |
|
|
± | ± |
|
|
|
|
- | |||||
| Mucoepidermoid carcinoma |
|
|
± | ± |
|
|
− |
|
|
| ||||
| Category | Diseases | Benign | Demography | History | Pain | Dysphagia | Mass exam | Others | Lab findings | Histopathology | Imaging | Gold standard diagnosis | Associated findings | |
| Neoplasm | Salivary gland neoplasm | Adenoid cystic carcinoma [58] |
|
|
± | ± |
|
|
− |
|
|
− | ||
| Adenocarcinoma |
|
|
− | − |
|
|
|
|
|
− | ||||
| Salivary duct cancer[60][61][62] |
(Highly aggressive) |
|
|
± | ± |
|
|
|
|
|
− | |||
| Squamous cell carcinoma[63][64] |
|
+ | − |
|
|
|
|
|
− | |||||
| Category | Diseases | Benign | Demography | History | Pain | Dysphagia | Mass exam | Others | Lab findings | Histopathology | Imaging | Gold standard diagnosis | Associated findings | |
| Neoplasm | Hypopharyngeal cancer[65][66][67] |
|
− | + |
|
− |
|
|
− | |||||
| Parathyroid cancer[68][69][70] |
|
|
+ | + |
|
|
|
|
|
| ||||
| Carotid body tumors[71][72][73][74] |
|
|
+ | − |
|
|
|
|
− | |||||
| Paraganglioma[75][76][77] |
|
|
− | − |
|
− |
|
|
|
− | ||||
| Category | Diseases | Benign | Demography | History | Pain | Dysphagia | Mass exam | Others | Lab findings | Histopathology | Imaging | Gold standard diagnosis | Associated findings | |
| Neoplasm | Schwannoma[78][79][80] |
|
|
+ | ± |
|
|
|
|
|
||||
| Lymphoma [81][82][83][84][85][86] |
|
|
− | ± |
|
|
|
|
|
| ||||
| Liposarcoma [87][88][89][90] |
|
± | − |
|
|
|
|
|
− | |||||
| Category | Diseases | Benign | Demography | History | Pain | Dysphagia | Mass exam | Others | Lab findings | Histopathology | Imaging | Gold standard diagnosis | Associated findings | |
| Neoplasm | Lipoma [91][92][93] |
|
± | − |
|
|
|
|
| |||||
| Glomus vagale, glomus jugulare tumors[94][95][96][97][98][99] |
|
− | ± |
|
|
|
|
|
− | |||||
| Metastatic head and neck cancer[100][101] |
|
|
− | ± |
|
|
|
|
|
− | ||||
| Category | Diseases | Benign | Demography | History | Pain | Dysphagia | Mass exam | Others | Lab findings | Histopathology | Imaging | Gold standard diagnosis | Associated findings | |
| Other | Laryngeal cancer[102][103] | Benign/Malignant |
|
|
± | ± |
|
human papillomavirus (HPV) infection |
|
|
|
− | ||
| Arteriovenous fistula |
|
|
− | − |
|
|
− | |||||||
| Thyroid nodule/ Goiter |
|
|
± | ± |
|
|
|
|
|
|
− | |||
| Category | Diseases | Benign | Demography | History | Pain | Dysphagia | Mass exam | Others | Lab findings | Histopathology | Imaging | Gold standard diagnosis | Associated findings | |
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