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International braz j urol

Print version ISSN 1677-5538On-line version ISSN 1677-6119

Int. braz j urol. vol.30 no.1 Rio de Janeiro Jan./Feb. 2004

https://doi.org/10.1590/S1677-55382004000100008 

CASE REPORT

 

Traumatic rupture of adrenal pseudocyst leading to massive hemorrhage in retroperitoneum

 

 

Luciano A. Favorito; Felipe M. Lott; André G. Cavalcante

Service of Urology, Souza Aguiar Municipal Hospital, Rio de Janeiro, RJ, Brazil

Correspondence

 

 


ABSTRACT

We present the case of a patient who had a large pseudocyst in the right adrenal gland, which was ruptured following blunt abdominal trauma, leading to a voluminous hemorrhage in retroperitoneum. A 29-year old female patient was admitted in the emergency room following a fall from stairs with trauma in right flank. She underwent a computerized tomography that evidenced a large retroperitoneal collection, with no apparent renal damage. She was submitted to surgery, where a large ruptured cyst was observed, originating from the upper portion of the right adrenal gland. Cystic diseases of adrenal gland are rare. Highly voluminous cysts can be damaged in cases of blunt trauma to the lumbar region leading to large hematomas in retroperitoneum.

Key words: adrenal glands; cysts; wounds and injuries; hemorrhage; retroperitoneal space


 

 

INTRODUCTION

Cystic pathologies of the adrenal gland are rare, with an incidence of 0.06% in 1,400 autopsies (1). The cysts most frequently found in the adrenal gland are endothelial (45%), hematic pseudocyst (39%), epithelial (9%) and parasitic (7%) (2,3).

The objective of this work is to report the case of a female patient who had a voluminous pseudocyst in right adrenal gland that was ruptured following a blunt abdominal trauma, leading to an extensive hemorrhage in retroperitoneum.

 

CASE REPORT

A female, 29-year old patient was admitted to the emergency room reporting that 12 hours earlier she had fallen from the third step of a stair. She presented intense pain in right flank and a voluminous mass that occupied a large portion of the upper abdominal region. The patient did not present hemodynamic instability and denied previous pathologies. She underwent a computerized tomography that evidenced a large retroperitoneal collection, with preservation of the right kidney, compatible with extra-renal hematoma (Figure-1). The kidneys and the liver were apparently intact in the image scan. It was decided to perform an exploratory laparotomy.

During the surgery, the presence of a large retroperitoneal bulging was observed, without any lesion in liver or intestine. An exploration of the retroperitoneal hematoma was performed. A voluminous cyst was found, which was ruptured, originated from the upper portion of the right adrenal gland. It was performed the hematoma drainage and partial exeresis of the region in the adrenal gland where the cyst was located. The pathological report showed it was a hematic adrenal pseudocyst.

 

COMMENTS

The retroperitoneal organ most frequently affected in blunt abdominal trauma is the kidney (1). Adrenal lesions in blunt trauma are rare except for cases where there is some pathology that causes the gland's enlargement, as in cases of adrenal cysts, tumors and congenital hyperplasia (1).

The majority of adrenal cystic pathologies are assymptomatic, being detected in autopsies; nevertheless, large cysts have a tendency to develop complications such as intracystic hemorrhage and rupture, which can manifest as a surgical emergency (2). Symptoms of lumbar pain, nauseas, vomiting, increased abdominal volume and constipation occur only in cases of highly voluminous cysts. Usually, adrenal cysts are incidentally seen in routine examinations such as ultrasonography and computerized tomography of abdomen (3).

Among the adrenal cystic pathologies, the endothelial cysts and the hematic pseudocyst are the most frequent (2). The hematic pseudocyst accounts for 40% of all cystic lesions of the adrenal gland (2). The hematic pseudocysts are covered by a thin capsule that isolates the region from the remaining normal adrenal parenchyma (2). They are generally unilocular and the liquid present inside them has a reddish color, and can reach large volumes, with reports of pseudocysts containing up to 1 liter inside (2). They usually present encapsulated residues of previous hemorrhages in the adrenal gland (2).

Highly voluminous cysts can be damaged in cases of blunt trauma to the lumbar region, leading to voluminous hematomas in retroperitoneum.

 

REFERENCES

1. Pasciak RM, Cook WA: Massive retroperitoneal hemorrhage owing to a ruptured adrenal cyst. J Urol. 1988; 139: 98-100.        [ Links ]

2. Chew SP, Sim R, Teoh TA, Low CH: Haemorrhage into non-functioning adrenal cysts - report of two cases and review of the literature. Ann Acad Med Singapore. 1999; 28: 863-6.        [ Links ]

3. Cheema P, Cartagena R, Staubitz W: Adrenal Cysts: diagnosis and treatment. J Urol. 1981; 126: 396-9.        [ Links ]

 

 

Correspondence to
Dr. Luciano Alves Favorito
Rua Professor Gabizo, 104 / 201
Rio de Janeiro, RJ, 20551-030, Brazil
Fax: + 55 21 2587-6121
E-mail: favorito@uerj.br

Received: August 27, 2003
Accepted after revision: November 14, 2003

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