Anaplastic Large Cell Lymphoma Involving the Bladder: Rare Involvement of a Rare Malignancy
*Corresponding author: David L Wenzler, Michigan State University College of Human Medicine, East Lansing, MI, USA,
E-mail: dwenzler@urologist.org
Citation: David L Wenzler, Michael R, Raymond JW, et al. Anaplastic Large Cell Lymphoma Involving the Bladder: Rare Involvement of a Rare Malignancy. Clin Image Case Rep J. 2019; 1(1): 101.
Citation: David L Wenzler, Michael R, Raymond JW, et al. Anaplastic Large Cell Lymphoma Involving the Bladder: Rare Involvement of a Rare Malignancy. Clin Image Case Rep J. 2019; 1(1): 101.
Anaplastic large cell lymphoma (ALCL) is a rare and unfortunately aggressive lymphohematopoietic malignancy. While it can
affect a number of extranodal sites, genitourinary involvement is extremely uncommon, with only eleven reported cases in the
literature. Here, we report a case study of a healthy 50-year-old male with no prior urologic history, presenting with chief
complaint of gross hematuria. Non-contrast CT imaging demonstrated irregular contours within the bladder with mild
hydronephrosis bilaterally, regional lymphadenopathy, and a lytic bone lesion, concerning for malignancy. The patient was taken
for cystoscopy, and biopsies were obtained from what was immediately apparent to be a grossly invasive tumor. His hospital
course was further complicated by acute-on-chronic renal failure in the setting of stable, non-obstructing hydronephrosis,
requiring placement of bilateral nephrostomy tubes. Ultimately, a pathologic diagnosis of anaplastic lymphoma kinase (ALK)-
negative ALCL was made, which is notably one of eleven cases of ALCL with primary bladder involvement and only the second
of these cases that is ALK-negative.
Keywords: Anaplastic; Lymphoma; Bladder; Malignancy
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