Research Article

Myeloid Sarcoma That Infiltrated a Preexisting Sebaceous Lymphadenoma in the Parotid Gland: Diagnostic Challenges and Literature Review

Table 1

Summary of cases showing myeloid sarcoma with involvement of the salivary gland from previous reported literatures and this study.

Dufour et al. [12]Çankaya et al. [13]Nayak et al. [14]Sood et al. [15]Lee et al. [16]Cai et al. [21]Lai et al. [17]Ahmad et al. [18]Jung et al. [19]Ingale et al. [20]Zhou et al. [22]Dagna et al. [11]Lee et al. [23]Jo et al. (this study)

No. of patient11/3 cases111411111/17 cases11/9 cases1

Age (year)81724273769.5 (58–84)51725425656062

SexMFFMMM (1) F (3)FMFMMFFM

Preexisting diseaseNoNoNoNoNoMDS (2) MPN (2)AML—allo-HSCTNoNoNoN/MMDS– allo-HSCTN/MNo

Lesion sitesParotidParotid (R)Parotid (B)Facial nerve palsyNeck mass (L)Parotid (R) PleuraSMG (R)Parotid (L)SMG (R)Parotid (R) MandibleParotidSMG (R)SMG (L)Parotid
Facial nerve palsySkinNasal cavityParotid=>3 M after Rec neck mass and parotid (L)Parotid (L)GingivaPtosis (B)Masseteric spaceSMGLN in neck (L)LN in neck (L)
Paravertebral regionHepatosplenomegalyLN in neckSMG (L) skinMasseter muscle (R)Nasopharynx, intracranialSkull baseLN
OrbitSMG (R)RetroorbitalNasopharynx and PNS

Imaging studyMRICTPET-CTCTCTCTCTCT, MRI, PET-CT

US-FNA/CNBFNA (blast)FNA (atypical cells)FNA (blast)Not performedFNA flow cytometryFNA (nondiagnostic)FNA (nondiagnostic)FNA (nondiagnostic)FNA (nondiagnostic)CNB (malignant parotid)
Immature cell (3)CNB (MS)
Blast (1)

SurgeryLN surgical biopsyGross total resectionExcision of SMG (R)Excision of SMG (R)Surgical biopsyExcision of SMG, parotid, LNExcision of SMG (L)Total parotidectomy, neck dissection

PBSBM (AML)BM (AML)PBS (N)PBS (blast)PBS (N) BM (N)N/MBM (N)BM (AML)N/MPBS (blast)N/MPBS (N)N/MPBS (N)
BM analysisBM (AML)BM (AML)=> BM (AML)BM (AML)BM (N)BM (AML)

DiagnosisMS with BM involvementMS with BM involvementMS with BM involvementMS with PB/BM involvementIsolated MS
=> MS with BM involvement, 3 M after
Progression of MDS (2) /MPN (2)Relapse of AML (allo-HSCT)MS with BM involvementPrimary MS (BM N/M)MS with PB/BM involvementMS (N/M)Relapse of AML (allo-HSCT)MS (N/M)MS with BM involvement

AML typeAML-M2, t (8; 21)AML-M4AML-M2 with t (8; 21)AML-M5N/MMDS (2)/CMML (2)AML-M2AML-M2N/MAML with t (8; 21)N/MAML-M4N/MMDS-EB

TreatmentCTx (cytarabine, daunorubicin)Induction CTx for AML (None specified)CTx (arabinoside, Adriamycin)CTx (cytarabine, daunorubicin)Induction CTx (none specified)N/MSalvage CTx (mitoxantrone, etoposide) + RTx (1000 cGy)Induction CTx (Cytosar, daunorubicin, etoposide)N/MN/MCTx (none specified)CTx (none specified)CTx (none specified)Induction CTx (arabinoside, idarubicin)

OutcomesDiedDiedDiedN/MN/MN/MDiedF/U lossN/MN/MN/MN/MAliveAlive

AML, acute myeloid leukemia; AML type, AML type according to published studies; AML-M2, AML-M4, and AML-M5, French-American-British classification-type; allo-HSCT, allogeneic hematopoietic stem-cell transplantation; BM, bone marrow; CMML, chronic myelomonocytic leukemia; CTx, chemotherapy; FNA, fine needle aspiration; LN, lymph nodes; MDS, myelodysplastic syndrome; MPN, myeloproliferative neoplasms; N, no pathologic results; PBS, peripheral blood smear; PNS, paranasal sinuses; Rec, recurrence; RTx, radiotherapy; SMG, submandibular gland; M, month; B, both; L, left; R, right; N/M, not mentioned.