Differential Diagnosis for Live Vannoy of the Left Mandibular, Anterior Cervical, and Supraclavicular Regions
Single Most Likely Diagnosis
- Lymphadenopathy due to viral infection: This is the most likely diagnosis given the location and description of the lymph nodes. Viral infections are common and can cause lymphadenopathy without tenderness, which fits the patient's presentation.
Other Likely Diagnoses
- Bacterial pharyngitis: Although the patient does not have tenderness, bacterial pharyngitis can cause lymphadenopathy in the anterior cervical and supraclavicular regions.
- Dental infection: Given the location of the lymphadenopathy (left mandibular), a dental infection could be a possible cause, even without tenderness.
- Tuberculosis: Although less common, tuberculosis can cause lymphadenopathy in the cervical and supraclavicular regions, often without significant tenderness.
Do Not Miss Diagnoses
- Lymphoma: While less likely, lymphoma is a critical diagnosis not to miss. It can present with painless lymphadenopathy, and the locations mentioned are common sites for lymphoma involvement.
- Metastatic cancer: Certain cancers, such as head and neck cancers, can metastasize to the lymph nodes in the regions described. This diagnosis is crucial not to miss due to its significant implications for treatment and prognosis.
Rare Diagnoses
- Sarcoidosis: This is a systemic disease that can cause lymphadenopathy, but it is less common and typically presents with other systemic symptoms.
- Cat-scratch disease: Caused by Bartonella henselae, this infection can lead to lymphadenopathy, usually in the region of the scratch, but it can occasionally present in other lymph node groups.
- Toxoplasmosis: Although more commonly associated with generalized lymphadenopathy, toxoplasmosis can cause localized lymph node enlargement, particularly in immunocompromised individuals.