Research Article

Review of Hematopathology Consult Cases: A Two-Year Experience in a Tertiary Referral Center in Lebanon

Table 4

List of discrepant with referral and postreview diagnoses.

Diagnosis after review (number of cases with a given diagnosis)Referral diagnosis (number of cases; %)

Benign/reactive/inflammatory findings (16)Marginal zone lymphoma/MALT lymphoma (10; 63) 
T-cell lymphoma (3; 19)   
Large cell lymphoma, not further specified (1; 6)   
Classical Hodgkin lymphoma (1; 6)   
Langerhans histiocytosis (1; 6)

Nodular lymphocyte predominant Hodgkin lymphoma (13)Classical Hodgkin lymphoma (11; 85)   
DLBCL (2; 15)

Diffuse large B cell lymphoma (11)Carcinoma (4; 37)   
Classical Hodgkin (2; 18)   
MALT lymphoma (1; 9)   
Burkitt lymphoma (1; 9)    
Follicular lymphoma (1; 9)   
Germinoma (1; 9)   
Osteogenic sarcoma (1; 9)

Classical Hodgkin lymphoma (5)Reactive changes (4; 80)   
Granulomatous inflammation (1; 20)

Follicular lymphoma, low grade (4)Reactive changes (2; 50)   
Small lymphocytic lymphoma, diffuse (1; 25)   
High grade follicular lymphoma (1; 25)

CLL/SLL (4)Mantle cell lymphoma (2; 50)   
High grade lymphoma (1; 25)   
Malignant myeloid infiltrate (1; 25)

Possible double-hit lymphoma (2)Burkitt (2; 100)

MALT lymphoma (2)Diffuse large B-cell lymphoma (1; 50)   
Hemangiopericytoma (1; 50)

Extranodal NK/T cell lymphoma, nasal type (2)Peripheral T-cell lymphoma, NOS (1; 50)   
Reactive changes (1; 50)

Peripheral T-cell lymphoma, NOS (2)CLL/SLL (1; 50)   
Carcinoma (1; 50)

Mantle cell lymphoma (1)Small lymphocytic lymphoma (1; 100)

PMLBCL (1)B-lymphoblastic lymphoma (1; 100)

EBV+ large B-cell lymphoma (1)Classical Hodgkin lymphoma (1; 100)

Acute myeloid leukemia (1)Chronic myelomonocytic leukemia (1; 100)

Rhabdomyosarcoma (1)T-lymphoblastic lymphoma (1; 100)

Metastatic carcinoma (1)Multiple myeloma (1; 100)

Thymoma (1)MALT lymphoma (1; 100)

Atypical lymphoid proliferation, not further classified@ (1)Reactive changes (1; 100)

Aplastic anemia (1)Normocellular bone marrow (1; 100)

Inflammatory myofibroblastic tumor (1)Classical Hodgkin lymphoma (1; 100)

discrepant cases include those with a referral final or provisional diagnosis.
@ The received tissue was insufficient for further evaluation, but the findings on the H&E slides were compatible with a lymphoma.