# A nurse is assessing a 6-year-old child with suspected mastoiditis. Which assessment finding would be most characteristic of this condition? > source: MyMerci (mymerci.kr) > url: https://mymerci.kr/pages/nclex_q.php?qn_id=541690 > language: ko > subject: Adult Health ## 문제 A nurse is assessing a 6-year-old child with suspected mastoiditis. Which assessment finding would be most characteristic of this condition? ## 보기 1. Bilateral hearing loss with tinnitus 2. Clear otorrhea with sweet odor 3. Tenderness over the mastoid process with erythema **✔ 정답** 4. Vertigo with nystagmus and balance problems **정답: 3** ## 해설 Tenderness over the mastoid process with erythema is most characteristic of mastoiditis, indicating inflammation of the mastoid air cells. Other findings may occur but are less specific to mastoiditis. ## 심화 해설 Key Assessment Finding in Pediatric Mastoiditis The most characteristic assessment finding for mastoiditis in a 6-year-old child is tenderness over the mastoid process with erythema. Mastoiditis is a suppurative infection of the mastoid air cells, typically arising as a complication of acute otitis media (AOM). The infection spreads from the middle ear to the mastoid bone, leading to localized inflammation [1,4]. In the early stages, the classic presentation includes a protruding auricle and the hallmark triad of postauricular tenderness, erythema, and edema over the mastoid bone. This finding directly reflects the underlying pathophysiology: pus accumulation under pressure within the mastoid air cells causes periostitis and soft tissue inflammation. When you palpate the area behind the ear, the child will exhibit significant discomfort, which distinguishes this condition from uncomplicated AOM. Let’s analyze why the other options are less characteristic: - Bilateral hearing loss with tinnitus: This is not a typical presentation. Mastoiditis is almost always a unilateral complication of AOM. While a conductive hearing loss can occur on the affected side due to middle ear effusion or a thickened tympanic membrane, it is not bilateral [1]. Tinnitus is also not a primary or defining feature. - Clear otorrhea with sweet odor: This description is suggestive of cerebrospinal fluid (CSF) otorrhea, which can occur with a basilar skull fracture, not mastoiditis. In mastoiditis, if otorrhea is present, it is typically purulent, reflecting the underlying bacterial infection. - Vertigo with nystagmus and balance problems: This cluster of symptoms points to a complication of mastoiditis or AOM involving the inner ear, such as labyrinthitis, rather than the initial presentation of mastoiditis itself. While serious intracranial complications like cerebral venous sinus thrombosis (CVST) can occur, as noted in multiple case series, their presentation is more insidious and includes neurological signs like headache, drowsiness, and neck stiffness, not primarily vertigo and nystagmus [1,3]. It is critical to recognize that while postauricular tenderness and erythema are the initial diagnostic clues, the clinical picture can rapidly evolve. The presence of high fever, vomiting, and neurological symptoms such as severe headache or neck stiffness should immediately raise your suspicion for life-threatening complications like cerebral sinus venous thrombosis (CSVT) or intracranial abscess [1,3,4]. A study on pediatric mastoiditis found that factors like high fever at presentation were significantly associated with the need for CT imaging and surgical intervention, underscoring the importance of a thorough and ongoing neurological assessment . The initial finding of mastoid tenderness is your earliest and most direct clinical indicator to prompt further evaluation and prevent these severe sequelae.References (research sources) - [1]Beyond Otitis Media: When Mastoiditis Leads to Life-Threatening Complications in Children.Research articleDejhalla E, Ledić EA, Žauhar P. (2026) · DOI: 10.1155/crpe/6697317 ## 임상 시나리오 Pediatric Mastoiditis AssessmentRecognizing the hallmark triad Suspect mastoiditis in a child with recent or concurrent acute otitis media who develops a protruding auricle and the classic triad: postauricular tenderness, erythema, and edema over the mastoid bone. The infection spreads from the middle ear to the mastoid air cells, causing pus accumulation under pressure. This leads to localized periostitis and soft tissue inflammation, making palpation of the mastoid process exquisitely painful. CautionDo not confuse with uncomplicated AOM, where the mastoid area is non-tender. Clear, sweet-smelling otorrhea suggests a CSF leak, not mastoiditis. Bilateral symptoms and vertigo point to other diagnoses. ## 핵심 개념 - **Mastoiditis** — A suppurative infection of the mastoid air cells, typically a complication of acute otitis media, characterized by postauricular tenderness, erythema, and edema. - **Postauricular Tenderness** — Pain elicited by palpating the mastoid process behind the ear, a key sign of inflammation and pus accumulation under pressure. - **Acute Otitis Media (AOM)** — A bacterial or viral infection of the middle ear, often preceding mastoiditis if the infection spreads to the mastoid bone. - **CSF Otorrhea** — Leakage of cerebrospinal fluid from the ear, often presenting as clear, watery drainage with a sweet odor, commonly due to a basilar skull fracture. ## 같은 주제 문제 - [A nurse is assessing a 35-year-old patient who presents with ear pain and discharge. 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