Adrenocortical hypertension.
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Laparoscopic adrenalectomy has become a viable option for removal of adrenal pathology and is becoming preferred over the conventional technique. With the conventional technique, many approaches are available, which vary according to pathology, diameter of the adrenal mass, location of the lesion, and patient morphology. Knowledge of anatomy is essential, because careful hemostasis and delicate tissue handling are necessary to make adrenal surgery a success.
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An adrenal mass may be discovered incidentally in as many as 2% of patients having an abdominal CT scan. The clinical dilemma is to identify the rare functioning or malignant adrenal tumor, which warrants resection, while avoiding unnecessary testing and surgery in the majority of patients whose adrenal lesions are nonfunctioning and benign. A thorough history and physical examination and judicious use of screening laboratory tests are important in determining the likelihood of a clinically significant adrenal mass. There is little debate that functional or large (< 6 cm) adrenal masses should be excised; adrenalectomy for adrenal masses 3 to 6 cm in patients younger than 50 years of age and for those masses with ominous CT characteristics also is advised. Observation with serial CT scans and screening studies are recommended for patients 50 years of age or older whose adrenal masses are between 3 to 6 cm and for all patients with hormonally inactive masses that are smaller than 3 cm.
The indications for, and timing of, surgical intervention for suprarenal masses detected prenatally are unclear. Also, the definitive diagnosis of suprarenal masses using imaging studies is difficult at best. We report 2 cases of antenatally detected suprarenal masses. One case represents an initial cystic mass expanding and becoming solid that had benign pathologic features. The second case was a stable solid mass that, on exploration, was malignant. Management options are discussed.
Most adrenal masses are detected on CT scans, but only a minority has morphologic features that are characteristic of a specific histologic diagnosis. In patients with clinical or biochemical features of a hyperfunctioning adrenal syndrome, CT detection of a unilateral adrenal mass typically leads to surgical resection, although functional assessment of the mass with iodomethylnorcholesterol or MIBG scintigraphy sometimes is used to augment the CT findings. In patients with a nonhyperfunctioning adrenal mass, chemical shift MR and CT densitometry have begun to replace percutaneous adrenal biopsy or serial follow-up CT as methods to establish a specific diagnosis. In this article the authors review the clinical features and imaging findings of patients with known or suspected adrenal masses.
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The myelolipoma is a benign tumour of the adrenal cortex, non functioning and normally asymptomatic, which can be diagnosed by chance in imaging test. Rupture and bleeding of the myelolipoma is an infrequent complication, which can conclude with the formation of a haematoma or, less usually, result in a massive retroperitoneal haemorrhage. The compression of adjacent structures by retroperitoneal haematomas with adrenal origin is a possible but not frequent eventuality. Indications for surgery of haematoma retroperitoneal continue to be, nowadays, a difficult and controversial decision, because the problem is normally resolved with conservative treatment and a watchful approach. We are presented with a 69 year old male who came to casualty with abdominal pain of 7 days duration, whose origin coincided with a light blow. The image test revealed the existence of a retroperitoneal haematoma with adrenal gland origin of 16 cm, with active bleeding, which was displaced and compressed the cava vein. We have only found one case, in the literature, of compression of the cava vein coused by adrenal gland haematoma. In the case under our observation, urgent surgery was needed.