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Case Report | DOI: https://doi.org/10.31579/2690-4861/015
*Corresponding Author: Bryce Alden Baird, University of Oklahoma Urology
Citation: Evan M G, B Alden B*, Dominic F. (2020) Salmonella Epididymo-Orchitis with Testicular Abscess in a Newborn Male. International Journal of Clinical Case Reports and Reviews. 2(5); DOI: 10.31579/2690-4861/015
Copyright: © 2020 Bryce Alden Baird, This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Received: 02 February 2020 | Accepted: 04 July 2020 | Published: 08 July 2020
Keywords: right scrotum; 50cc of purulent exudate; albuginea; epididymis; spermatic cord
Introduction
There are few reported cases of epididymo-orchitis secondary to Salmonella in the literature and even fewer in newborn males without immunocompromised systems. The existing reports generally describe adult males in underdeveloped countries with immunocompromised systems or rheumatologic diseases undergoing steroid therapy. The last documented case of newborn epididymo-orchitis was in 1983 and required surgical debridement to salvage the testicle. [1] We present a case of a newborn male with Salmonella epididymo-orchitis and testicular abscess refractory to antibiotic treatment requiring eventual orchiectomy.
Case
A 17-day-old infant presented to the emergency department with a one-week history of right hemiscrotal tenderness, swelling, and erythema. Outside records confirmed previous fever to 38.9°C and an initial WBC of 26 x 103/µL. History obtained from the patient’s mother included no known exposure to Salmonella, no history of diarrhea or immunocompromised state, and no other significant past medical or family history.
On physical examination, the scrotum was found to be edematous and erythematous with the left testicle retracted into the inguinal canal and the right testicle descended into a dependent position. The right hemiscrotum was especially tender with a tense, fluctuant mass. Ultrasound demonstrated a 2 cm by 2.5 cm complex heterogenous fluid collection in the right scrotum. Adequate blood flow to bilateral testicles was noted with an increased flow on the right. A full sepsis work up was performed and was notable for a white blood count of 14.52 x 103/µL and a C-reactive protein of 38 mg/L. The patient was admitted for incision and drainage of the scrotal abscess and administration of broad-spectrum intravenous antibiotics.
Intraoperative exploration revealed an infected right testicle that could not be salvaged, which resulted in right orchiectomy with drainage of 50cc of purulent exudate. During the procedure, tissue cultures were also obtained. A temporary Penrose drain was tunneled through a superior and an inferior incision in the right hemiscrotum. Pathology confirmed a testicular abscess with associated chronic active inflammation involving the tunica albuginea, epididymis, and spermatic cord.
Wound cultures ultimately grew a Salmonella species, and the patient was transitioned from broad-spectrum coverage to ampicillin accordingly. The Penrose drain was removed at bedside on postoperative day 3, and the incisions were left open to drain. An abdominal and pelvic ultrasound and voiding cystourethrogram were obtained in the follow up period to evaluate for possible anatomical abnormalities or vesicoureteral reflux. Results demonstrated no abnormalities suggestive of a possible etiology of the infection.
The patient remained afebrile and hemodynamically stable throughout his entire postoperative course. He was discharged home on postoperative day 5 to complete a 14-day course of amoxicillin 100mg/4ml oral suspension twice daily. A one-month follow-up appointment revealed complete resolution of the infection.
Discussion
Localized extra-intestinal Salmonella infections are uncommon with approximately 70% of Salmonella infections being localized to the gastrointestinal tract. [2] In particular, epididymo-orchitis with testicular abscess is even rarer, especially in the pediatric population, with only a few cases reported in the literature. [1, 3] In fact, to our knowledge, this seems to be the only case reported in literature of an immunocompetent two-week-old male with epididymo-orchitis and testicular abscess. Genital infections due to Salmonella are extremely uncommon. [4] They typically manifest in the setting of obstructive complications such as renal calculi or structural abnormalities. The vast majority of focal genital infection due to Salmonella is described in the adult population with few reports of this infection in children.
The diagnosis of epididymo-orchitis is typically made by history and physical examination in addition to ultrasound and laboratory workup. Patients generally present with abnormal physical signs such as fever, prolonged scrotal tenderness, warmth or erythema. [5] In particular, our patient presented with a two-day history of scrotal tenderness and erythema. Ultrasound imaging can be used to assist in the diagnosis of epididymo-orchitis. [6] The low cost, wide availability and relatively quick usage of such imaging makes it a viable option to gain more information about the differential diagnosis of the condition. In addition to imaging, laboratory tests such as blood counts, microbiology work-ups, stool tests, and cultures are common methods of evaluation with some studies recommending even more thorough and widespread infectious work-up. [7]
Once the patient is found to have an abscess, prompt surgical intervention should be utilized to resolve the infection and salvage any tissue that may be viable. [1] We elected to perform drainage of the abscess along with orchiectomy and subsequent drain placement due to the extent of necrosis and infection that did not allow for saving the affected testis.
Conclusion
The current report describes the diagnosis and management of a rare case of Salmonella epididymo-orchitis, an uncommon pathology, especially among pediatric patients. To our knowledge, this is the first case of Salmonella epididymo-orchitis with abscess in an otherwise healthy two-week-old male. Only one other case is described but was in a one-month-old male with a Salmonella enteritidis testicular abscess without epididymo-orchitis. The initial management of patients presenting with a Salmonella abscess is similar to other etiologies. Prompt surgical intervention with drainage of the abscess and removal of necrotic tissue is necessary to control the infection and salvage viable tissue. Once the pathogen is identified, appropriate workup and management with culture proven sensitive antibiotics should be initiated and the patient followed until complete resolution.
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