Case Report

Malignant Phyllodes Tumour with Liposarcomatous Differentiation, Invasive Tubular Carcinoma, and Ductal and Lobular Carcinoma In Situ: Case Report and Review of the Literature

Table 1

Summary of cases of phyllodes tumours associated with carcinoma.

ReportAgePT typeSize (mm) Associated carcinoma Location of carcinoma relative to PTCommentOutcome
InvasiveIn situ

Yamaguchi et al. [4]54BPT150DCISWithinAW at 11 months
Ramdass and Dindyal [5]69BPTNSIDCWithinComplex carcinoma with clear cell, secretory and squamous differentiationNA

Parfitt et al. [1]26BPT33IDCDCISWithinMetastatic adenocarcinoma in 4 of 13 LNAW at 36 months

Kodama et al. [6]47BPT170ILCDCISWithinLump present for 12 years before treatmentAW at 108 months

De Rosa et al. [7]77BPT*50IDCDCISIpsilateralMild atypia in stroma with occasional mitosesAW at 10 months
Yasumura et al. [8]47BPT130IDCWithinAW at 66 months
Knudsen and Ostergaard [9]71BPT70DCIS, LCISWithinNA
Grove and Deibjerg Kristensen [10]71BPT190DCISWithinHistory of irradiation to ovaries for climacteric menstrual disordersAW at 4 months

Christensen et al. [11]42–58BPT10–20IDCIpsilateralIDC in close relation to a recurrent PTRIP after 3 months from metastatic carcinoma
Ishida et al. [12]BPT56PapillotubularWithinAW at 30 months

Stone-Tolin et al. [13]59BPT/NS220IDCContralateralRecurring PT and FA over 36-year periodAW at 15 months

Leong and Meredith [14]47BPT40ITCWithinThree recurrences of BPT. LCIS in second recurrence and ITC in third recurrenceAW at 21 months

Richards and WAY [15]37BPT70IDC**IpsilateralSeparate tumour nodules. Metastatic carcinoma in LNRIP after 9 months from metastases

Lester and Stout, [16]40BPT14NSNSIpsilateralPT found in mastectomy specimen performed for carcinomaAW at 144 months
Tan et al. [17]NANSNADCISIpsilateralNA
Tan et al. [17]NANSNALCISWithinNA
Deodhar et al. [18]51BLPT140DCISWithin, IpsilateralNA
Christensen et al. [11]42–58BLPTNSDCISWithin, IpsilateralRIP after 36 months from unrelated cause
Christensen et al. [11]42–58BLPTNSDCISIpsilateralRecurrent PT associated with DCIS in adjacent breast within 12 months of initial diagnosisRIP after 12 months from metastatic PT

Korula et al. [19]51MPT210DCISWithin, IpsilateralMetastatic carcinoma in 2 of 12 lymph nodesAW at 11 months
Kefeli et al. [20]26MPT45IDCIpsilateralLiposarcomatous and chondrosarcomatous stroma in PT; history of osteosarcoma and radiotherapyRIP after 12 months

Sugie et al. [21]54MPT60IDCDCISWithinCarcinoma showed squamous differentiationRIP after 40 months from metastatic PT

Merck et al. [22]NSMPTNSIDCContralateralAW at 32 months
Nomura et al. [23]75MPT35DCISWithinAW at 32 months
Lim and Tan [24]45MPT120DCISWithinLiposarcomatous differentiation in PT; two FAs in contralateral breastRIP after 108 months from unrelated cause

Tan et al. [17]NSMPTNSDCISWithin
Auerbach [25]69MPTNSIDCIpsilateralPT recurred after 40 months with metastasesRIP after 51 months from metastases

Gebrim et al. [26]58MPT300ILCContralateralILC within FA in contralateral breastAW at 84 months

Nishimura et al. [27]80MPT105DCISWithinOsteosarcomatous, rhabdomyosarcomatous, fibrosarcomatous stroma in PTRIP after 3 months from metastases

Padmanabhan et al. [28]47MPT75LCISWithinLiposarcomatous and fibrosarcomatous stroma in PTAW at 6 months

Kasami et al. [29]47MPTNSILCContralateral46XX/46XY mosaic karyotype; three sisters with breast carcinoma. Recurrent PT at autopsyNA

Powell and Rosen [30]17–71MPT8–100DCISIpsilateralLiposarcomatous stroma in PTNA

Powell and Rosen [30]17–71MPT8–100LCISContralateralLiposarcomatous stroma in PTNA

Powell and Rosen [30]17–71MPT8–100IDCDCISIpsilateral, ContralateralInitially BPT, recurred as MPT with liposarcomatous differentiation in PT; Ipsilateral DCIS; Contralateral IDCNA

Morimoto et al. [31]49MPT110LCISContralateralLCIS within contralateral FAAW at 132 months
Christensen et al. [11]42–58MPTLCISIpsilateralRIP after 12 months from metastatic PT
Huntrakoon [32]31MPT90IDCDCISIpsilateralAW at 24 months
Seemayer et al. [33]27Stromal sarcoma***60DCISWithinLiposarcomatous differentiation in PT. Contralateral MPT after initial mastectomyNA

Current case43MPT35IDCDCIS, LCISWithin, IpsilateralLiposarcomatous differentiation in PT. DCIS within PT. IDC and LCIS in ipsilateral breast. Previous radiotherapy for lymphoma.AW at 12 months

*Category of PT not specified in original report, interpreted as benign PT.
**Classified as scirrhous adenocarcinoma.
***Sarcomatous stroma with liposarcomatous differentiation, tumour lacked circumscription and features of PT, for example, leaf-like structures were not present.
Metastatic component (sarcoma versus carcinoma) not specified.
Cause not specified.
Category of PT not specified.
AW: alive and well: BPT, benign PT: BLPT, borderline PT: DCIS, ductal carcinoma in situ: FA, fibroadenoma: IDC, invasive ductal carcinoma: ILC, invasive lobular carcinoma: ITC, invasive tubular
carcinoma: LCIS, lobular carcinoma in situ: LN, lymph node: MPT, malignant PT: NA, not available: NS, not specified.