Pleuropulmonary blastoma is a rare, aggressive, malignant tumor of the lungs or pleura that primarily affects children. Pleuropulmonary blastoma is classified into 3 types based on morphology, including cystic (type I), mixed (type II), or solid (type III). These morphological types correlate with prognosis. In this article, we present a case of type III pleuropulmonary blastoma in a 2-year-old girl. The patient was treated with tumoral resection and chemotherapy; however, she experienced local recurrence and spinal metastasis after 5 months of treatment.
Lymphoma with cardiac involvement is a high-risk lesion, especially in children. We report a rare clinical case of multifocal precursor B-cell lymphoblastic lymphoma in a child with cardiac involvement. A 4-year-old boy presented to the Vietnam National Children's Hospital with a vague headache, but magnetic resonance imaging of the head was normal. After 1 week, the patient showed symptoms of chest pain, fatigue, dyspnea, and abdominal pain. On transthoracic echocardiography and multislice computed tomography of the thorax, a mass was detected in the right atrial wall. Abdominal ultrasound showed a small bowel intussusception, multiple nodules in the intestinal wall, and mesenteric lymph nodes. Histopathology of the bowel confirmed the diagnosis of multifocal precursor B-cell lymphoblastic lymphoma. The patient responded to 3 cycles of chemotherapy for lymphoma. Therefore, combining multiple imaging methods allowed for early diagnosis and improved treatment.
Tuberculosis remains prevalent in developing countries. Central nervous system tuberculosis often occurs secondary to pulmonary tuberculosis, transmitted through the bloodstream, and has a high mortality rate. Meningitis is the most common presentation of central nervous system tuberculosis, followed by tuberculoma, tuberculous brain abscess, and miliary tuberculosis. In this report, we present a case of miliary tuberculosis in a 3 month-old boy. The patient had a fever and was breathless for 1 month. The patient appeared cyanotic, experienced a seizure, and became comatose. Chest computed tomography scan suggested a pulmonary miliary tuberculosis abscess in the right lung and mediastinal lymph node tuberculosis. Brain magnetic resonance imaging showed the lesions were homogeneously enhancing tiny 2-3 mm nodules characteristic of miliary TB. Polymerase chain reaction of the cerebrospinal fluid and sputum samples confirmed tuberculosis. The patient died 1 month after diagnosis.
Lymphoma is one of the most common cancers of the orbital and lacrimal glands, after squamous cell carcinoma and melanoma. Based on cell origin, most lymphoma cases are classified as non–Hodgkin lymphoma. Orbital lymphoma can be either primary or secondary. The clinical manifestations of lymphoma are diverse, with the most common symptoms being bilateral or unilateral proptosis, limited eye motility, swelling, pain, changes in visual acuity, and diplopia. In this article, we describe the case of a 6-year-old male who presented with bilateral rapid orbital swelling for 10 days. This patient underwent surgical biopsy, and the final diagnosis was bilateral orbital secondary non–Hodgkin lymphoma.
An encephalocele may be congenital or acquired and is characterized by the herniation of cranial contents through a skull bone defect. Most congenital encephaloceles occur in the occipital area, and temporal bone encephaloceles in children are rare. Congenital encephaloceles can be diagnosed either prenatally or after birth. We describe the case of a congenital temporal bone encephalocele in a 2-month-old boy that was diagnosed after birth. The patient presented with seizures and a bulging mass in the right neck that was detected by his mother during the second month after birth. The combined results from brain magnetic resonance imaging, computed tomography, and histological analysis confirmed the diagnosis of encephalocele. Although the surgical repair was offered, the family declined.
Mesenchymal hamartoma of the chest wall is a rare benign tumor that usually occurs in infants and children. The clinical presentations and imaging features are atypical and difficult to differentiate from malignant tumors. In this article, we present a case with a large mesenchymal hamartoma tumor of the chest wall. A large right-sided chest wall mass was discovered in a 6-month-old boy by his mother. Chest X-ray revealed a thoracic mass with well-defined margins on the right side that expanded into the right ribs. Chest computed tomography showed that the mass originated from the thoracic wall. The patient underwent complete removal of the mass, and histopathology results confirmed a mesenchymal hamartoma.
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