Paratesticular liposarcoma: a radiologic pathologic correlation

Abstract

Spermatic cord liposarcoma is an uncommon paratesticular tumor. Patients usually present with a painless scrotal or inguinal mass, mimicking inguinal hernia. Clinical examination suggested an inguinal hernia. Computed tomography demonstrated a fat-containing mass in the right inguinal region. The mass was surgically removed, along with the right testis and spermatic cord. Histopathological examination revealed a well-differentiated liposarcoma. No evidence of recurrence or metastases has been noted during the two-year follow-up with postoperative adjuvant therapy.

Keywords: Cord liposarcoma; inguinal hernia; inguino-scrotal mass.

Figure 1

Computed tomography image demonstrates a lipomatous mass (arrow).

Figure 2

Gross examination of the mass revealed a large, encapsulated, yellow-brown colored fatty tissue measuring 27×18×4.5 cm. The mass weighed 858 gm, with variable consistency on palpation. In addition, atrophic testis was adherent to the mass and measured 3×2.5×1.5 cm in size.

Figure 3

(a and b) Microscopic examination of the mass revealed an encapsulated proliferation consisting of mature adipocytes accompanied by both spindle shaped cells with hyperchromatic nuclei within the stromal tissue and multivacuolated lipoblasts in between on a partly fibrous and partly myxoid background. In addition to Leydig cell hyperplasia, widespread atrophy and hyalinization were detected within the seminiferous tubules in the cross-sections of the testicular tissue. [Hematoxilyn and Eosin stain, (a) ×100 and (b) ×400].