9 results
Castleman's Disease and Associated Syndromes
HYALINE VASCULAR VARIANT
 • unicentric, HHV8-ve, children and young.
 • Hyalinized vessels
Castleman's Disease ... Diffuse plasma cells ... disorders (myeloma ... Disease #Variants #Diagnosis ... #Pathology
Multiple Myeloma Diagnosis and Management Summary
Clinical Signs:
 • hyperCalcemia 28% (bone demineralization)
 • Renal disease 48%
Multiple Myeloma ... osteolytic lesions and pathologic ... marrow plasma cells ... plasma clonal cell ... #Multiple #Myeloma
IgG4-associated conditions

Diagnosis of IgG4 disease is depending on BIOPSY. While IgG4 levels can be informative (and
conditions Diagnosis ... really need to see pathology ... positive plasma cells ... Even the pathology ... polyangiitis, and Castleman
T-LGL leukemia - T-CeIl Large Granular Lymphocytic Leukemia
Clinical
 - Persistent (>6mo) lymphocytosis (2-20k) with proven clonality
required for dx - T-cells ... chronic LPD of NK cells ... clinical disease but cells ... are NK cells (sCD3 ... #pathology #diagnosis
Adult T-cell Leukemia / Lymphoma (ATLL) - Mimicking Angioimmunoblastic T-cell lymphoma with Hodgkin like cells

Features ATLL:
with Hodgkin like cells ... more common T-cell ... Leukemia #Lymphoma #Hemepath ... #pathology #Clinical ... #diagnosis
Indolent T-Lymphoblastic Proliferation (iT-LBP)
Features of iT-LBP:
 - May be seen in association with other malignancies (e.g.
follicular dendritic cell ... Groups of TdT+ T-cells ... Proliferation #Hemepath ... #pathology #Clinical ... #diagnosis
Raindrop Skull- ...A skeletal survey showed diffuse osteopenia, a pubic bone fracture, and numerous radiolucent lesions
characteristic of multiple myeloma ... The diagnosis was ... clonal plasma cells ... #NEJM #clinical ... raindrop #multiple #myeloma
Solitary Cell Plasmacytoma

What?
• Plasma cell neoplasms can present as a single lesion (solitary plasmacytoma)
• In 3%
arises from plasma cells ... from the plasma cells ... monoclonal plasma cells ... clonal plasma cells ... IFE, FLC assay Pathology
TAFRO

TAFRO syndrome was first described in 2010, standing for:
- Thrombocytopenia
- Anasarca
- Fever
- Reticulin fibrosis
- Organomegaly

TAFRO syndrome
of multicentric Castleman ... overgrowth of cells ... including lymphoma, myeloma ... Histopathological Diagnoses ... mature plasma cells