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[Juvenile xanthogranuloma. Description of a case with liver involvement]
A Di Blasi1, L de Seta, G M Marsilia
1Servizio di anatomia ed istologia-patologica, Ospedale A. Cardarelli di Napoli (USL 40 Regione Campania).
Insights
Juvenile Xanthogranuloma (JX) is a rare condition presenting with skin and liver nodules in infants. This case highlights its systemic impact and eventual resolution, emphasizing diagnostic differentiation.
Area of Science:
- Pediatric Pathology
- Dermatopathology
- Gastroenterology
Background:
- Juvenile Xanthogranuloma (JX) is a rare non-Langerhans cell histiocytosis.
- Systemic involvement, particularly hepatic, is uncommon but significant.
Observation:
- A 3-month-old female infant presented with cutaneous and hepatic nodules.
- Respiratory distress due to obstructive bronchopneumopathy was noted.
- Laparoscopy revealed hepatomegaly and characteristic yellow liver nodules.
Findings:
- Histopathology showed xanthomatous lesions with proliferation of fat-laden histiocytes and Touton giant cells.
- Liver biopsy confirmed portal triad expansion by histiocytes.
- Skin biopsy revealed dermal histiocytic infiltrate with giant cells.
Implications:
- This case underscores the importance of considering systemic JX in infants with multi-organ involvement.
- Accurate differentiation from Langerhans cell Histiocytosis is crucial for appropriate management and prognosis.
- The observed spontaneous clinical improvement suggests a potentially favorable outcome for systemic JX.
Abstract:
Juvenile Xanthogranuloma. Report of a case with hepatic involvement. The Authors present a case of Juvenile Xanthogranuloma (JX) in a 3 months female child with cutaneous and hepatic nodules associated to dyspnea attributable to obstructive bronchopneumopathy. Histologically the lesions are xanthomatous with proliferation of fat-laden histiocytes. The hepatic involvement is characterized by hepatomegaly and yellow nodules on liver surface as seen at laparoscopy. On liver biopsy there is remarkable expansion of portal triad caused by aggregates of large foamy mono-polynuclear histiocytes with Touton giant cells. The cutaneous nodule biopsy shows histiocytic infiltrate in inter-adnexal dermal space with many giant cells holding great lipidic vacuoles. The patient's follow-up is characterized by slow and progressive clinical improvement with resolution of cutaneous, hepatic and pulmonary pathology. The Authors emphasize the differential diagnosis between this systemic form of JX and Langerhans cell Histiocytosis (Histiocytosis X) with multiorgan involvement. This diagnosis is necessary in order to establish therapy and prognosis.