Evaluation of a 2-Year-Old with Foul-Smelling Nasal Drainage: Differential Diagnosis

QUESTION

A 2-year-old patient presents to the urgent care with a chief complaint of “runny nose.” Physical examination reveals purulent drainage from the left nostril that is foul-smelling; nasal mucosa is swollen and erythematous. The TMs are clear bilaterally, and oropharynx is normal. The rest of the exam is unremarkable. The NP suspects: Group of answer choices rhinosinusitis nasal foreign body allergic rhinitis maxillary sinusitis

ANSWER

Evaluation of a 2-Year-Old with Foul-Smelling Nasal Drainage: Differential Diagnosis

Based on the clinical presentation described, the nurse practitioner (NP) suspects that the 2-year-old patient may be suffering from maxillary sinusitis.

Maxillary sinusitis, also known as acute bacterial sinusitis, is characterized by inflammation and infection of the maxillary sinuses, which are located in the cheeks and can become infected as a result of upper respiratory tract infections or allergies. Here’s why maxillary sinusitis is the likely diagnosis based on the provided information:

Purulent Drainage: The presence of foul-smelling, purulent (pus-filled) drainage from the left nostril is a key indicator of a bacterial infection. This discharge often occurs when there is an infection in the sinuses, leading to the production of thick, discolored mucus.

Swollen and Erythematous Nasal Mucosa: Swelling and redness of the nasal mucosa are common signs of sinusitis. Inflammation of the sinuses can lead to congestion and blockage of the sinus openings, causing these symptoms.

Clear TMs and Normal Oropharynx: The clear bilateral tympanic membranes (TMs) and normal oropharynx suggest that the ear and throat are not primarily affected. This finding helps differentiate maxillary sinusitis from other conditions that might involve ear or throat infections.

Unremarkable Rest of the Exam: The absence of significant findings in the rest of the examination further supports the suspicion of maxillary sinusitis as the source of the patient’s symptoms.

It’s important for the NP to confirm this diagnosis through appropriate diagnostic tests or imaging studies, such as a sinus X-ray or CT scan, to assess the extent of sinus involvement. Treatment may include antibiotics to clear the infection, pain relief, and measures to alleviate symptoms and promote drainage.

However, this assessment and suspicion should be followed by a proper evaluation and diagnosis by a healthcare provider, and treatment should be determined based on the confirmed diagnosis and clinical judgment.