Giant cavernous haemangioma of azygous arch is extremely rare. We present the multidetector computed tomography (MDCT) features of a mediastinal cavernous haemangioma in an asymptomatic child detected in a follow-up examination. MDCT features with multiple venous lakes filling from the periphery, focal specks of calcification, low-density soft tissue mass along with tortuous varicose veins and large feeding veins from the abdomen are suggestive of cavernous haemangioma.
Lipoblastoma is a rare benign neoplasm and its mediastinal location is even rarer. We report a boy with
anterior upper mediastinal fat density mass extended to neck root with ipsilateral diaphragm eventration.
Preoperative diagnosis was a lipomatous neoplasm. The exact diagnosis was established after complete
excision via a cervical approach with complete recovery.
Pediatric malignant adrenocortical neoplasms are among the rarest tumors encountered by pediatric surgeons and oncologists. In Saudi Arabia, only case reports exist due to the rarity of the condition. In this case series, we present five cases of malignant adrenocortical neoplasm and their clinical outcomes from two tertiary centers in Riyadh, Saudi Arabia, from 2012 to 2021. Patients ranged in age from one to eight years. We report the cases of three female and two male patients. All cases presented with hormonally active tumors. In two cases where tumors were excised with negative margins, only surgery and close follow-up were performed. In three cases, neoadjuvant and/or adjuvant therapy was required. In conclusion, for malignant adrenocortical neoplasms, the timing of diagnosis played a vital role in outcomes. Best outcome can be achieved with complete surgical excision as malignant adrenocortical neoplasms show a poor response to other treatment modalities.
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