ONCAlert | 2017 NANETS Symposium
Multicentric Castleman Disease Case Studies

Case Studies: Guess the Diagnosis

Lisa B. is a 47-year-old female store owner from St. Louis, with a 10-month history of fatigue, night sweats, and weight loss.

Guess the Diagnosis: Case 1

Guess the Diagnosis: Case 1

Lisa B. is a 47-year-old female store owner from St. Louis, with a 10-month history of fatigue, night sweats, and weight loss.
  • She presents to her PCP with generalized lymphadenopathy, most prominent in the cervical region; there is no polyneuropathy, and patient does not report joint pain. She is referred to a hematologist to rule out lymphoma
  • Medical history is unremarkable; family history relevant for a mother with systemic lupus erythematous and father who died with prostate cancer at 65 years old
  • Her physical exam is notable for bilateral cervical lymphadenopathy (1-2 cm), mild splenomegaly, and mild edema
  • Laboratory findings: anemia (Hgb 11 gm/dL), elevated CRP (35 mg/L) and ESR (80mm/hr), elevated platelets (400,000/mK), Igs (IgG: 4500 mg/dL, IgM: 1500 mg/dL, IgA: 300mg/dL)
  • PET scan showed generalized lymphadenopathy with a maximum SUV of 4.5; FNA of the lymph node is uninformative; she was referred to a general surgeon for excisional lymph node biopsy
Lisa’s pathology report shows the following findings:
  • Regressed germinal centers, scattered hyperplastic follicles, preserved architecture with patent peripheral sinuses and florid interfollicular plasmacytosis with no light chain restriction
  • Prominent vascularization and hyalinization is present
In view of these findings, the hematologist orders further tests, which yield the following results:
  • Lymph node: negative EBER, LANA-1, and IgG4 stains; negative PCR for B-cell clonality
  • Additional laboratory work: negative ANA, negative dsDNA, anti-Smith and anti-phosholipid antibodies; monospot negative
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