Skip to main content

Posteromedial Thigh Perforator (PMTP) Propeller Flap

The posteromedial thigh perforator (PMTP) propeller flap is a pedicled perforator-based island flap harvested from the posteromedial thigh, based on perforators of the profunda femoris artery (PFA), and transferred by rotating up to 180° around a skeletonized perforator to reach an adjacent defect. Across all published perineal / urogenital series the PMTP has achieved 100% flap survival, 0% major complications, and 100% primary donor-site closure — making it a compelling muscle-sparing alternative to traditional musculocutaneous flaps (gracilis, VRAM) for extensive perineal, scrotal, vulvar, and perianal defects.[1][2][3]

This page is the deep-dive on the PMTP propeller variant. For the broader propeller-flap framework — Tokyo Consensus, design principles, venous-congestion mitigation across all donor sites — see the propeller flap page. For the medial-thigh donor-region overview, see the medial thigh flap family.

What Is a Propeller Flap?​

The Tokyo Consensus on Propeller Flaps (Pignatti 2011) defined a propeller flap as an "island flap that reaches the recipient site through an axial rotation." The classification axes are:[4]

  • Nourishing pedicle type — subcutaneous-pedicled, perforator-pedicled (the modern default), or supercharged
  • Degrees of skin-island rotation — 90° to 180° (the PMTP propeller uses 180°)
  • Artery of origin of the perforator (when known)

The perforator-based propeller flap is completely islanded on a single skeletonized perforator, which serves as the pivot point for rotation. This allows reach to defects adjacent but not directly accessible by simple advancement or transposition.[4][5]

Vascular Anatomy of the Posteromedial Thigh​

The posteromedial thigh has a robust and consistent perforator system arising from the profunda femoris artery, supporting reliable flap design across body habitus.

StudyMethodKey anatomic findings
Scaglioni 201523 clinical dissectionsPerforators 8–10 cm from the pubic crease along a perineum-to-semitendinosus reference line. Average 1.7 perforators (range 1–3). Average pedicle length 10.3 cm (8–13 cm). 80% musculocutaneous (through adductor magnus), 20% septocutaneous. 95% from PFA, 5% from MCFA.[6]
Ahmadzadeh 200711-thigh cadaver study5 ± 2 PFA cutaneous perforators in the posterior thigh; 65% septocutaneous, 35% musculocutaneous; internal diameter 0.8 ± 0.3 mm; pedicle length 29 ± 14 mm from deep fascia. Average cutaneous territory 229 ± 72 cm².[7]
Largo 202083 PAP flapsPerforators at mean distances of 7.5 cm (perforator A), 12.7 cm (B), and 17.6 cm (C) distal to the pubic tubercle. All thighs ≥ 2 perforators; 85% had ≥ 3.[8]
DeLong 2014CT angiography, 100 thighsAll thighs ≥ 2 perforators; mean diameter at origin 2.7 mm; located on average 6.2 cm below the gluteal crease. Larger perforators laterally, in younger patients, and at higher BMI.[9]
Mohan 20173D perforasome mappingHot spot for dominant perforators: the proximal medial quadrant, 5–10 cm from the inferior gluteal crease. Large linking-vessel networks → broad perforasome and robust supply.[10]

Practical take-away. Every adult thigh has at least 2 PFA perforators, with the dominant perforator reliably found in a hand-sized window at 8–10 cm below the pubic crease (or 5–10 cm below the gluteal crease). Preoperative handheld Doppler suffices in most primary cases; CT angiography is reserved for reoperative or irradiated fields.

Design Variants​

The PMTP flap appears in the literature under several closely related names. They share the same vascular territory and differ in skin-island orientation and transfer mechanism.

VariantAbbreviationOrientationTransfer mechanismKey series
Pedicled posteromedial-thigh perforator flappPMTTransverse or obliqueV-Y advancement, interpolation, or propellerScaglioni 2018 (15 flaps)[1]
Vertical posteromedial-thigh propeller flapvPMTVertical (long axis along thigh)Propeller (180°) or V-YWishart 2021 (21 flaps)[3]
PMTP propeller flapPMTP propellerVariablePropeller (180°)Kwon 2021 (8 flaps)[2]
PMT propeller flap (scrotal)PMT propellerOblique / verticalPropeller (180°)Scaglioni 2015 case report[11]

Surgical Technique​

The technique synthesized across the key series:[1][2][3][11]

  1. Patient positioning — lithotomy or lateral decubitus, depending on defect location.
  2. Perforator identification — preoperative handheld Doppler to identify the dominant PFA perforator, typically 8–10 cm from the pubic crease or 5–10 cm from the inferior gluteal crease, along the axis between perineum and medial femoral condyle. CT angiography optional.[6][8][12]
  3. Flap design — skin island designed around the identified perforator, with the perforator as the pivot point. Dimensions tailored to defect:
    • pPMT series: 5 × 4 cm to 29 × 8 cm[1]
    • vPMT series: 5–9 cm width × 18–35 cm length[3]
    • PMTP-propeller series: average 256.5 cm² (range 136–400 cm²)[2]
  4. Incision and elevation — flap incised circumferentially and elevated subfascially (or suprafascially when thinness is required). The perforator is identified entering the flap from the deep surface, typically through adductor magnus (musculocutaneous, 80%) or through the intermuscular septum (septocutaneous, 20%).[6]
  5. Perforator skeletonization — the perforator is carefully skeletonized, dissected free of surrounding muscle fibers and fascia to create a mobile pivot. The pedicle can be skeletonized for up to 13 cm, providing substantial reach.[1]
  6. Propeller rotation — the flap is rotated 180° around the skeletonized perforator. The larger blade covers the defect; the smaller blade fills the secondary defect created by rotation. Avoid kinking or twisting the perforator — this is the most common flap-loss mechanism.
  7. Inset — layered tension-free closure into the recipient defect.
  8. Donor-site closure — primary in all published series, with the scar concealed on the medial / posterior thigh.[1][2][3]

Technical considerations​

  • Multiple perforators can be included to enhance vascularity — Scaglioni 2015 described a scrotal reconstruction using a PMT propeller flap with 2 PFA perforators.[11]
  • The flap can also be transferred as a V-Y advancement (3 of 21 flaps in the vPMT series) when propeller rotation is unnecessary or the defect is directly adjacent.[3]
  • Bilateral flaps are frequently used for large or circumferential defects — 9 of 12 patients in the vPMT series required bilateral reconstruction.[3]

Applications in Urology and Urogynecology​

1. Perineal reconstruction after oncologic resection​

Particularly suited for extensive perineal defects after abdominoperineal resection (APR), pelvic exenteration, or wide local excision.

Kwon 2021 — the dedicated PMTP propeller series for perineal defects:[2]

  • 8 patients, average age 65 (52–80)
  • Etiologies: Fournier's gangrene and skin cancers (squamous cell carcinoma, extramammary Paget's disease)
  • Average flap size 256.5 cm² (136–400)
  • All flaps PFA-perforator-based; all rotated 180°
  • 100% flap survival, no major complications, all donor sites closed primarily
  • Average follow-up 22.4 months — all patients satisfied

2. Scrotal / perineoscrotal reconstruction (Fournier's gangrene)​

Scaglioni 2015 — the first reported PMT propeller flap for perineoscrotal reconstruction after Fournier's:[11]

  • 58-year-old male, 10 × 12 cm scrotal defect with large dead space
  • PMT propeller flap 9 × 23 cm with 2 PFA perforators
  • 180° rotation reconstructing scrotum and obliterating dead space
  • Complete flap survival; no recipient or donor-site morbidity at 3 months

3. Vulvar reconstruction​

The vPMT propeller flap has been used for vulvar defects after oncologic resection:[3][13]

  • Wishart 2021 — 5 of 12 patients had vulvar defects (some combined perianal); all flaps survived without major complications.[3]
  • Huang 2015 — in a series of 27 pedicled perforator flaps for vulvar reconstruction, 11 were profunda artery perforator (PAP / DFAP) flaps; 100% survival, all donor sites closed primarily, superior cosmesis vs traditional myocutaneous flaps.[13]

4. Perianal reconstruction​

The largest application in the vPMT series:[3]

  • 8 of 12 patients had perianal defects (some combined with genital defects)
  • Etiologies: anal SCC, Crohn's disease, hidradenitis suppurativa
  • All flaps survived; propeller rotation used in 18 of 21 flaps

5. Combined pelvic-floor and vaginal reconstruction​

For complex three-dimensional pelvic defects after exenteration, the vPMT propeller flap can be combined with bilateral gracilis muscle flaps in a "quadruplet" configuration:[14]

  • Wishart 2020 — 59-year-old with recurrent SCC of anus / vulva requiring rectum amputation, partial colectomy, hysterectomy, and partial vaginectomy; defect 14 × 11 cm with 8 cm deep space
  • Reconstruction: bilateral gracilis (rotated 120°, advanced to fill deep space) + bilateral vPMT propeller flaps (27 × 10 cm, rotated 180°) for vagina and perianal area
  • All four flaps survived without major complications; minimal donor morbidity; acceptable cosmesis at 6 months

Sharp 2021 independently described combined bilateral gracilis + PAP flaps for pelvic reconstruction after ELAPE in 6 pre-irradiated patients; all flaps survived, median healing 4 months.[15]

6. External genital reconstruction in irradiated fields​

Weisberger 2023 compared pedicled perforator flaps (including PAP) vs local fasciocutaneous flaps for external-genital reconstruction in 24 patients:[16]

  • Perforator flaps had significantly higher rates of prior radiation (50% vs 11.1%, p = 0.019)
  • Despite this, complication rates (necrosis, healing delay, infection) were similar between groups
  • Operative time longer with perforator flaps (237 vs 129 min, p = 0.003); LOS comparable
  • Conclusion: perforator flaps offer a suitable option in irradiated fields where local tissue is compromised

Outcomes Summary​

Seriesn (flaps)Defect locationFlap sizeTransferFlap survivalMajor complicationsDonor closureFollow-up
Scaglioni 2018 (pPMT)[1]15Inguinal (4), perineal / genital (3), thigh (5), popliteal (3)5 × 4 to 29 × 8 cmV-Y, interpolation, propeller100%0%100% primary6–14 months
Kwon 2021 (PMTP propeller)[2]8Perineal (infection, skin cancer)Avg 256.5 cm²Propeller (180°)100%0%100% primaryAvg 22.4 months
Wishart 2021 (vPMT)[3]21Scrotal (3), perianal (8), vulvar (5), combined5–9 × 18–35 cmPropeller (18), V-Y (3)100%0%100% primaryNR
Scaglioni 2015 (PMT propeller)[11]1Perineoscrotal (Fournier's)9 × 23 cmPropeller (180°)100%0%Primary3 months
Wishart 2020 (quadruplet)[14]2 vPMT + 2 gracilisPelvic (exenteration)27 × 10 cm (vPMT)Propeller (180°)100%0%Primary6 months

Advantages​

  • No muscle sacrifice — pure fasciocutaneous flap; preserves gracilis and all thigh adductors; no functional deficit.[1][3]
  • Large skin territory — flaps up to 29 × 8 cm (232 cm²) or 400 cm², sufficient for extensive perineal defects.[1][2]
  • Thin and pliable tissue — less bulky than gracilis or VRAM; better contour and cosmesis for vulvar, scrotal, and perineal reconstruction.[1][13]
  • Consistent perforator anatomy — at least 2 perforators in every thigh; hot spot reliably 8–10 cm from the pubic crease.[6][8][9]
  • Long pedicle — skeletonizable up to 13 cm, with excellent reach to perineal, genital, and inguinal defects.[1]
  • Primary donor-site closure — achieved in 100% of cases across all published series.[1][2][3]
  • No microvascular anastomosis required.[2]
  • Outside the radiation field — the posteromedial thigh is typically outside pelvic radiation portals, making the flap suitable for irradiated patients where local perineal tissue is compromised.[15][16]
  • Versatile transfer — propeller (180°), V-Y advancement, or interpolation, depending on defect geometry.[1]

Limitations and Potential Complications​

  • Venous-congestion risk — the 180° rotation creates a theoretical risk of venous outflow obstruction from pedicle twisting. A meta-analysis of lower-extremity propeller flaps reported venous congestion in 4% of cases. This has not been observed in the perineal PMTP series, but the risk exists.[17]
  • Learning curve — perforator skeletonization through adductor magnus (80% musculocutaneous) requires microsurgical dissection skill.[6]
  • Longer operative time — 237 vs 129 min for local fasciocutaneous alternatives.[16]
  • Limited deep-space obliteration — as a fasciocutaneous flap, the PMTP provides surface coverage but limited volume. For large 3D defects, combine with gracilis muscle flaps.[14][15]
  • Hair-bearing skin — can be problematic for vaginal or urethral reconstruction; consider preoperative laser depilation.
  • Limited published experience — total perineal / genital PMTP propeller experience is ~45 flaps across all series; long-term outcome data are limited.
  • Partial necrosis — not reported in the perineal series, but the general propeller-flap literature reports partial necrosis in 12% and total necrosis in 2%.[17]

Comparison with Other Perineal / Urogenital Flaps​

FeaturePMTP propellerGracilis myocutaneousVRAMPAP (non-propeller)Singapore (PTF)
TissueFasciocutaneousMusculocutaneousMusculocutaneousFasciocutaneousFasciocutaneous
Muscle sacrificeNoneGracilis (expendable)Rectus abdominisNoneNone
Bulk / volumeLow–moderateModerate–highHighLow–moderateLow–moderate
Deep-space obliterationLimitedGoodExcellentLimitedLimited
Max flap sizeUp to 400 cm²Up to 250 cm²Up to 360 cm²Up to 300 cm²Up to 90 cm²
Pedicle lengthUp to 13 cm~7 cm8–10 cm8–13 cmShort
Donor-site complications0%8.9–16%57.6%0–20%Minimal
Flap survival (perineal)100%> 95%> 95%100%100% (non-irradiated)
SensatePotentiallyNoNoPotentiallyYes
Irradiated recipientSuitable (outside field)Suitable (outside field)SuitableSuitable (outside field)Poor outcomes
MicrosurgeryPerforator dissection onlyNoNoPerforator dissection onlyNo
Operative timeLongerModerateModerateLongerShorter
Best indicationExtensive perineal surface defectsComplex fistulas; moderate dead spaceLarge 3D pelvic defects; exenterationPerineal coverage; vaginal reconstructionNeovagina; non-irradiated fistulas

References: Scaglioni 2018, Kwon 2021, Wishart 2021, Eseme 2022, Stein 2019, Benedict 2023, Arquette 2022, Höckel 2008, Huang 2015.[1][2][3][18][19][20][21][22][13]

The PMTP is the best-characterized propeller flap for perineal work, but several related perforator propeller flaps cover overlapping indications:

FlapPerforator sourceBest for
PMTP (this page)Profunda femoris perforatorExtensive perineal defects
DEPAP (deep external pudendal artery perforator)Deep external pudendal a.Fournier's perineal defects, including immunocompromised / oncologic patients
SCIP propellerSuperficial circumflex iliac a.Perineoscrotal defects up to 22 × 10 cm; rotation 150–180°
EPAP (external pudendal artery perforator)Superficial external pudendal a.Circumferential penile-shaft coverage

PMTP Propeller in the Reconstructive Algorithm​

Synthesizing the available evidence, the PMTP propeller flap occupies a specific niche on the reconstructive ladder for perineal and urogenital defects:

Defect characteristicsPreferred flap
Small perineal / vulvar defectLocal fasciocutaneous flaps (labial, pudendal-thigh / Singapore, lotus petal)[13]
Medium-to-large surface defect without significant dead spacePMTP propeller flap — large, thin, pliable tissue from outside the radiation field with no muscle sacrifice[1][2][3]
Large 3D defect with significant dead space (post-exenteration)PMTP propeller combined with gracilis muscle flaps — gracilis fills the deep space; vPMT covers the surface and reconstructs the vagina[14][15]
Very large defect requiring maximum volumeVRAM — gold standard for dead-space obliteration (at the cost of significantly higher donor-site morbidity)[18][20]

The Toulouse Algorithm (Ricotta 2025) and other recent algorithmic frameworks increasingly position perforator flaps as first-line for vulvar and perineal reconstruction, reserving musculocutaneous flaps for larger or more complex defects.

Technical Pearls​

  • Skeletonize conservatively — leave a small soft-tissue cuff around the vessel to preserve venous drainage during rotation
  • Rotate carefully — rotate in stages, checking Doppler between stages; torsional perforator kinking is the most common flap-loss mechanism
  • Inset under no tension — focal necrosis from tight closure is the most common early complication
  • Plan the pivot before incision — Doppler the perforator, mark the rotation arc, and confirm the flap will reach
  • Consider a delay procedure for very large designs where the distal blade depends on a single perforator
  • Combine with gracilis when significant dead-space obliteration is required — pure fasciocutaneous flaps cannot fill 3D pelvic defects alone
  • Plan hair-removal strategy preoperatively if the recipient site requires hair-free skin (vaginal, urethral)

Key Takeaways​

The PMTP propeller flap represents a modern, muscle-sparing evolution in perineal and urogenital reconstruction. Its defining feature is the 180° propeller rotation around a skeletonized PFA perforator, enabling coverage of extensive defects with thin, pliable, well-vascularized tissue from outside the pelvic radiation field. The 100% flap survival rate, 0% major complication rate, and 100% primary donor-site closure across all published perineal / genital series make it a compelling alternative to traditional musculocutaneous options.[1][2][3] Its principal limitation — inability to obliterate significant deep space — is addressed by combining it with gracilis muscle flaps for complex three-dimensional pelvic defects.[14][15]

See Also​

References​

1. Scaglioni MF, Franchi A, Giovanoli P. Pedicled posteromedial thigh (pPMT) perforator flap and its application in loco-regional soft tissue reconstructions. J Plast Reconstr Aesthet Surg. 2018;71(2):217–23. doi:10.1016/j.bjps.2017.10.005

2. Kwon HJ, Seo JH, Choi JY, et al. Propeller posteromedial thigh perforator flaps for coverage of extensive perineal defects. Microsurgery. 2021;41(4):335–40. doi:10.1002/micr.30726

3. Wishart KT, Fritsche E, Scaglioni MF. Pedicled vertical posteromedial thigh (vPMT) flap for the reconstruction of extensive perianal-genital defects. J Plast Reconstr Aesthet Surg. 2021;74(1):123–9. doi:10.1016/j.bjps.2020.08.001

4. Pignatti M, Ogawa R, Hallock GG, et al. The "Tokyo" consensus on propeller flaps. Plast Reconstr Surg. 2011;127(2):716–22. doi:10.1097/PRS.0b013e3181fed6b2

5. Ono S, Sebastin SJ, Yazaki N, Hyakusoku H, Chung KC. Clinical applications of perforator-based propeller flaps in upper limb soft tissue reconstruction. J Hand Surg Am. 2011;36(5):853–63. doi:10.1016/j.jhsa.2010.12.021

6. Scaglioni MF, Kuo YR, Yang JC, Chen YC. The posteromedial thigh flap for head and neck reconstruction: anatomical basis, surgical technique, and clinical applications. Plast Reconstr Surg. 2015;136(2):363–75. doi:10.1097/PRS.0000000000001414

7. Ahmadzadeh R, Bergeron L, Tang M, Geddes CR, Morris SF. The posterior thigh perforator flap or profunda femoris artery perforator flap. Plast Reconstr Surg. 2007;119(1):194–200. doi:10.1097/01.prs.0000244848.10434.5f

8. Largo RD, Chu CK, Chang EI, et al. Perforator mapping of the profunda artery perforator flap: anatomy and clinical experience. Plast Reconstr Surg. 2020;146(5):1135–45. doi:10.1097/PRS.0000000000007262

9. DeLong MR, Hughes DB, Bond JE, et al. A detailed evaluation of the anatomical variations of the profunda artery perforator flap using computed tomographic angiograms. Plast Reconstr Surg. 2014;134(2):186e–192e. doi:10.1097/PRS.0000000000000320

10. Mohan AT, Zhu L, Sur YJ, et al. Application of posterior thigh three-dimensional profunda artery perforator perforasomes in refining next-generation flap designs: transverse, vertical, and S-shaped profunda artery perforator flaps. Plast Reconstr Surg. 2017;139(4):834e–845e. doi:10.1097/PRS.0000000000003224

11. Scaglioni MF, Chen YC, Yang JC. Posteromedial thigh (PMT) propeller flap for perineoscrotal reconstruction: a case report. Microsurgery. 2015;35(7):569–72. doi:10.1002/micr.22479

12. Finkemeyer JP, Koehl EM, Mah E. Distal profunda femoris artery perforator island flap for distal thigh and knee reconstruction: a CT-based anatomical analysis and a case-series study. ANZ J Surg. 2023;93(11):2736–41. doi:10.1111/ans.18725

13. Huang JJ, Chang NJ, Chou HH, et al. Pedicle perforator flaps for vulvar reconstruction — new generation of less invasive vulvar reconstruction with favorable results. Gynecol Oncol. 2015;137(1):66–72. doi:10.1016/j.ygyno.2015.01.526

14. Wishart KT, Fritsche E, Scaglioni MF. Reconstruction of a large pelvic defect by transfer of a quadruplet combination of pedicled flaps from the medial thigh using bilateral muscular gracilis flaps and bilateral vertical posteromedial thigh (vPMT) propeller flaps — a case report. Microsurgery. 2020;40(4):486–91. doi:10.1002/micr.30544

15. Sharp O, Kapur S, Shaikh I, Rosich-Medina A, Haywood R. The combined use of pedicled profunda artery perforator and bilateral gracilis flaps for pelvic reconstruction: a cohort study. J Plast Reconstr Aesthet Surg. 2021;74(10):2654–63. doi:10.1016/j.bjps.2021.03.038

16. Weisberger JS, Park JB, Cortes R, et al. Reconstruction of acquired defects of the external genitalia: a 24-patient, single-institution experience. Ann Plast Surg. 2023;90(6S Suppl 5):S578–82. doi:10.1097/SAP.0000000000003501

17. Huang SC, Yeh YS, Chen WH, et al. Optimizing perforator-based propeller flap design for distal leg, ankle and hindfoot reconstruction: a systematic review and meta-analysis. Plast Reconstr Surg. 2026;published online. doi:10.1097/PRS.0000000000012993

18. Eseme EA, Scampa M, Viscardi JA, et al. Surgical outcomes of VRAM vs gracilis flaps in vulvo-perineal reconstruction following oncologic resection: a proportional meta-analysis. Cancers. 2022;14(17):4300. doi:10.3390/cancers14174300

19. Benedict KC, Songcharoen SJ, Stephens KL, et al. Comparison of inferior gluteal artery perforator flaps versus vertical rectus abdominis musculocutaneous flaps in the reconstruction of perineal wounds. J Plast Reconstr Aesthet Surg. 2023;84:514–20. doi:10.1016/j.bjps.2023.06.020

20. Stein MJ, Karir A, Ramji M, et al. Surgical outcomes of VRAM versus gracilis flaps for the reconstruction of pelvic defects following oncologic resection. J Plast Reconstr Aesthet Surg. 2019;72(4):565–71. doi:10.1016/j.bjps.2018.12.044

21. Arquette C, Wan D, Momeni A. Perineal reconstruction with the profunda artery perforator flap. Ann Plast Surg. 2022;88(4):434–9. doi:10.1097/SAP.0000000000002986

22. Höckel M, Dornhöfer N. Vulvovaginal reconstruction for neoplastic disease. Lancet Oncol. 2008;9(6):559–68. doi:10.1016/S1470-2045(08)70147-5