Treatment of Cancer of the Nasal Cavity

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    * F rom the R adiation T herapy D epartm ent,t and H ead and N eck D epartm ent, R oSw ell P ark M em oria l Institute, B uffalo ,

    York .

    A U G U S T , 19 69

    824

    T R E A T M E N T O F C A N C E R O F T H E N A SA L C A V IT Y *

    B y A . 0. BA DIB , M .D .,t S . S. K U ROH A RA , M .D., PH.D .,tJ . H . W EB ST ER , M .D ., C .M .,tan d D . P. SH E D D , M.D4

    B U F FA LO , N E W Y O R K

    P R IM A R Y m alignant tum ors of thenasal cavity are relatively rare and are

    usually reported to have a poor progno-

    sis.37b0 M ost of the published reports in-

    dude these tum ors in one group w ith other

    tum ors m ainly of the paranasal si-

    nuses.35-8#{176}4 The special problem s of diag-

    nosis and m anagem ent of cancer of the

    nasal fossae6 and the apparen t difference in

    the prognosis m ade their separate presenta-

    tion desirable.1 In review ing the litera ture,

    the indications for surgery or rad iation

    therapy are not c learly defined and the re-

    sults of treatm ent are not easily com pared

    because of the difference in selection of pa-

    tients for treatm ent.

    In this study, w e present the experiences

    at R oswell Park M em orial Institu te in the

    m anagem ent of patients w ith cancer of the

    nasal cav ity . T he influence of differen t

    prognostic factors on the results of treat-

    m ent by irradia tion and/or surgery w ill be

    discussed with an evaluation of the indica-

    t ion for techni ques an d r es ul ts o f r ad ia ti on

    therapy.

    M AT E R I A L

    Over the period of 23 years, betw een

    January, 1942, and D ecem ber, 1964, a to-

    ta l of 57 patients w ith m alignant tum ors of

    the nasal fossa w ere treated at R osw ell

    Park M em orial Institu te, B uffalo, N ew

    Y ork . The clinical featu res in the series are

    presen ted in T able i. M ales w ere m ore

    frequently afflicted than fem ales. T he aver-

    age age incidence w as6i years and 77 pe r

    c ent of the cases w ere above 50 years of age.

    The duration of sym ptom s varied from

    w eeks to m ore than 2 years, the average be-

    ing 8 m onths. The com m on early sym p-

    tom s (Table i) w ere unila tera l nasal ob-

    struction (77 per cent), nasal discharge

    (5 4 per cent), epistaxis (4 0 per cent), and

    local pain (2 8 per cent). The rem aining

    sym ptom s (Table I) w ere less frequen t and

    usually la te.

    Chronic sinusitis and nasal polyps pre-

    ceded the tum or in 8 cases(i 5 per cent). N o

    other po ten tial predisposing facto rs, such

    as benign grow ths, a trophic rhinitis or pre-

    vious irradiation , w ere found .

    The tum ors w ere lim ited to the right side

    ofthe nasal cav ity in33 cases (8 per cent),

    to the left side in2 cases (,7 per cent), and

    w ere bilateral in3 cases ( per cen t). Thelateral w all w as the m ost frequen t site of

    tumor: 9 on the tubinates (2-upper, 4-

    m iddle, and 3-low er turbinate) and10 on

    the rest o f the lateral w all. O ther sites, in

    order of decreasing frequency w ere: sep-

    tum , vestibule, posterior choana and floor.

    The site of origin cou ld not be determ ined

    in 10 cases w ith cancer filling the entire

    nasal cav ity (Tab le II).

    These tum ors w ere either polypoidal

    m asses in 38 cases (67 per cent) or ulcera-

    tive lesions in 19 cases (3, per cent).

    Eigh teen cases show ed extension outside

    the nasal cavity , m ainly to the m axillary

    antrum (9 cases), ethm oidal sinuses (

    cases), and nasopharynx ( cases). Lym phnode m etastases were found in 8 cases 1 4

    per cent) and distant m etastases in2 cases

    (4 per cent).

    R oe n t ge no l og ic e xa mi n a t io n o f th e n os e

    a n d n as a l s in u se s s ho we d bo n e destruction

    i n 18 cases, nasal opacity or m ass in14

    cases, and b o th i n I I cases. Ethmoidal an d

    m axillary sinusitis w as seen in10 cases

    ( Ta b l e i).

    To assess the i mp or t a nc e o f t he ex t en t o f

    tum or as a prognostic factor, a clinical

    stag ing w as devised (Tab le III), based on

    TN M classification used by C occh i. S tage

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    TA B L E I

    C LIN IC A L F EA TU RE S

    Se xFemaleMale

    V O L . 106, N o. Tr ea t me n t o f Ca nc e r o f th e N asal Cavity 82 5

    I (T1_T2, N0, M 0) included i6 cases; Stage

    II (T1_T2, N 1, M 0), 6 cases; S tage II I (T1_T,,

    N 2, or T ,, NO-N2) , 17 cases; and Stage iv

    (T4, N -N 2 or T1-T4 , M ), 18 cases. T1 de-

    notes a tum or lim ited to the m ucosa that isI cm . in diam eter or less; T2, m ucosal

    lesion m ore than i cm . in diam eter; T,

    tum ors invo lving bone or cartilage; and

    T4, extension outside the nose.N1 m eans a

    m obile, unilateral lym ph node; andN 2

    fixed or b ilateral lym ph nodes. M stands

    for d istan t m etastases.

    The diagnosis w as estab lished h istologi-

    cally in all the cases and is given in Table

    II . T he predom inan t type w as squam ous

    c ell c arc in om a (I 2-w ell differen tiated ,

    m edium differentiated, and 8-und iffer-

    entiated, w hile 8 w ere ungraded). T his w asfollow ed by adenocarcinom a (i i cases),

    m ixed salivary tum or ( cases), anaplasticcarcinoma ( cases) and m alignant m ela-

    noma (2 cases).

    TREATMENT

    In th is series, th ree m odalities w ere used

    as in itial treatm ent: irrad iation (3 0 cases);

    surgery (13 cases); and com bined surgery

    an d irrad iatio n (14 cases) (Table III).

    In the irrad iation group, 25 cases (#{231}er

    cent) received ex ternal radio therapy alone,10 cases had radium therapy alone and 9

    cases w ere g iven external irrad iation p lus

    rad ium . Tum ors of the vestibule w ere

    treated by a single field using orthovo ltage

    rad iation. S ingle anterior fields w ere used

    for irradiating other tum ors in the an terior

    part of the nasal cavity. P arallel opposing

    fields w as the technique em ployed in lesions

    of the posterior choana w hile an terior and

    lateral w edge pair w as used in som e tum ors

    involving the m axillary and ethm oidal

    sinuses. In extensive lesions, th ree cross-

    f i ri n g f ie ld s w er e p re fe rr ed . O rt ho vo lt a ge ,

    supervoltage an d c ob a l t 6 o eq u ip me n t w er e

    u se d a n d th e tum or dose w as in the range of

    5,000 t o 6,ooo r ad s in 5- 6 w eeks depend ing

    o n t h e v o l um e t r e a t ed . In som e cases, it was

    n ec es sa r y t o in c l u de t he ip s i l a t e r a l e y e i n

    th e t r e a t me n t f i e ld , p r o t ec t i n g th e o th e r

    N o . o f

    Patients

    P e r C e n t o f

    Patients

    A geUnder 40

    40-49

    50 59

    60-69

    70 -79

    Over 8o years

    Sym p tom D uration

    0-2

    2-4466-12

    Over 12 m onths

    Presenting Sym ptomN asal obstruction

    N asal dischargeEpistaxisLocal painN asal swelling

    EpiphoraV is ua l d is tu rb an ce sN eck m ass

    Tumor Extens ionM axillary antrumEthmoid s inusOrbitNasopharynxSphenoid sinusC ribriform plateL ym ph nodes

    D istant m etastases

    Roentgenologic FindingsB on e d es tr uc tio n

    N asal opacity or m assBoth

    C hron ic sinu sitisNegative

    12 21

    45 7 9

    5 98 4

    7 1222 39

    13 23

    2 4

    17 30

    34 25

    8 14

    JO 17

    8 14

    44 7731 54

    23 40

    i6 2832 2

    5 9

    3 52. 4

    9 16

    4 7

    4 7

    3 52 4

    I 2.

    8 14

    2 4

    i 8 32

    14 25

    II 19

    30 17

    4 7

    eye by lead or by tilting the beam of the

    l a te r al f i el d s.

    Intracavitary and interstitial radium

    w er e us ed ma in ly in sm a l l tum ors lim ited to

    the nasal fossa (io cases). Radium appli_

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    826 A . 0. B adib , S . S . K urohara, J. H . W ebster and D . P . S hedd AU G U sT ,

    TA B L E II

    PA TH O LO G Y BY A N A T O M IC S1FE S

    N asal Sites Total

    Latera l Y es- U ndeter-Septum . C hoana Floor . N o. Per Cent

    Wai t tiDuie mined

    S qu am ous carcinom a 6 32 6 o o 8 32A naplastic carcin om a i 2 0 1 0 0 4 7

    Lym phoepithelial carc inom a o o o 2. I 0 3 5Adenocarcinoma 8 o o o i 2 II 19Mixed salivary tum or 3 I I 0 0 0 5 9M alignant m elanom a I I 0 0 0 0 2 4

    Total N um ber 39 i6 7 3 2 10 57 10 0Per C ent 3 3 28 12 5 4 i 8 10 0

    cators or m olds w ere inserted into the nasal tum or dose w as 6,ooo-7,ooo rads in 7-8

    cavity through the nostril for anterior days depending upon tum or size.

    lesions or th rough the posterio r naris using External irradiation plus intracav itary

    a nasal catheter for les ions in the posterior radium w as used in 9 cases oflocally exten-

    part. Partia l excision of the tum or w as sive tum or (Tableiii). F ollow ing external

    necessary in som e cases to facilitate radium radiotherapy to a tum or dose of5,000

    applica tion. Interstitia l radium needles or rads/5 w eeks, an intracavitary radium

    radon seeds were used in 4 patients w ith applica tor w as applied to add3,000 rads at

    accessible anterio r tum ors of the sep tum o. cm . from the surface in 4-6 applications.

    an d f loor. In cases treated by radium , the The surgical procedures used in25 cases

    TA B L E II I

    I NITIAL TREATMENT BY CLINICAL STAGES

    C lin ical Stages T otal

    I II III IV N o. Per Cent

    A ll Series x6 6 17 18 57 10 0

    TreatmentI r r a d i a t i o n II 2 8 9 30 53S u rg e r y 5 3 3 2 13 23

    C o m b i n e d 0 I 6 7 14 2 4

    Irradia tion TechniquesExternal irradiation 6 2. 6 I I 25 57Radium 5 I 0 10 23

    Combined 0 0 4 5 9 20

    S urgic al P roc edure sL oc al rese ction 5 3 6 0 14 52Radical 0 I 3 9 13 48

    C om bined w ith SurgeryPreopera tive irradia tion o o I 3 4 29

    P o s t o p e r a t i v e i r r a d i a t i o n o I 5 4 10 7

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    TA B L E IV

    RE SUL T S O F T RE A TM E NT BY C LINIC AL ST AG ES, H IST O L O G Y A ND SIT E S

    5 Y EA R C R U D E SU R V IV A L

    A . C lin ical Stages

    TotalStage I Stage II Stage III Stage IV

    Irradiation 8/9 (89% ) 1/2 (o% ) 2/ 6 (% ) i/6 (17%) 12/23 52 )Surgery 4/5 (8o% ) 2/3 (67%) 2/3 (67%) 0/I ( o% ) 8/12 (67%)Combined I/I (100% ) 2/4 (50% ) 2/5 (o% ) io (o% )

    Total 12 /14 86 ) 4/6 (67% ) 6/13(46%) 3/12(25%)

    B . H istology

    . Lympho- . . . TotalSquam ous Anaplastic {149}th1 1 A deno- iviixed M aiignant

    C arcinom a C arcin om a ep i e ia carcinom a Salivary M elanom aCarcinoma

    Irradiation 6/12 (o% ) i/ (25% ) 2/2 (100% ) 1 /3 (% ) 2/2 (100%)

    12/23 (52% )Surgery 5/7 (73% ) 1/2 (o% ) 2/3 (67%) 8/12 (67%)

    Combined 3/5 (60% ) 2/ 4 (o% ) o/ i (0 ) io ( )

    Total 34/24 (6% ) 1/4 (25% ) 2/ 2 (100%) 4/9 (44% ) 4/ 5 (8o%) 0/I (o% )

    C . Site

    TotalL ateral W all Septum V estibule C hoana U ndeterm ined

    Irradia tion 3/6 (o% ) 3/6 (o% ) 2/3 (67%) 2/3 (67%) 2/5 (40% ) 32/23 52 )Surgery 3/ 5 (6o%) 4/ 5 (8o%) 1/2 (o% ) 8/12 (67% )Combined 2/ 3 (67% ) 1/2 (50% ) i/i (100% ) 1/ 4 25 ) i o (50%)

    Total 8/14 ( {231} % ) 8/13 (62% ) 4/6 (67% ) 2/ 3 (67% ) 3/9 (% )

    V O L . io6, No. Treatm ent of Cancer of the Nasal Cavity 82 7

    in this series w ere sim ple resection or

    electrocoagula tion of sm all tum ors in14

    cases, and radical resection of the nasal

    cavity and m axilla w ith curettage of the

    ethm oidal and spheno idal sinuses in the

    m ore ex tensive tum ors in13 patients. Orbi-

    tal excision w as done in2 cases and radical

    neck d issection in4 cases.

    In the com bined rad iotherapeu tic and

    surg ical treatm ent preoperative irradiation

    w as given in 4 cases and postoperative ir-

    rad iation in io cases using radium or ex-

    ternal radiation therapy. T he dose and the

    technique depended on the vo lum e of tissue

    irradiated and w ere sim ilar to those de-

    scribed above.

    RESULTS

    Table iv illustrates the resu lts o f treat-

    m ent in the various clinical stages, h is-

    tology and sites of tum ors. E arly stages of

    cancer lim ited to the nasal m ucosa ex-

    hib ited the best p rognosis. F igure and

    Table Iv show that well differentia ted

    squam ous cell carcinom as had the best re-

    sults and that adenocarcinom as had better

    prognosis than undifferentiated squam ous

    cell and anaplastic carcinom as. O ther his-

    to log ic groups exh ibiting good results w ere

    the lym phoep itheliom as and m ixed salivary

    tumors . The w hole series had a crude year

    surv ival rate of 56 per cen t, and a h igher

    tum or-free actuarial su rvival rate of 67

    per cent due to the fact that som e of the

    patients w ere free of tum or at death or

    f o l l o w - u p .

    In the cases w ith early stages of this tu -

    m or (S tage and II com bined) treated by

    irradiation or surgery , year surv ivals of

    82 and 75 per cen t, respectively, w ere ob-

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    Y E A R S A F T E R D IA G N O SIS

    82 8 A . 0. B ad ib , S . S . K urohara, J. H . W ebster and D .P . Shedd A U G U S T , 196 9

    >

    S

    FIG . I Su rvival rate cu rves after diagn osis of cancer

    of the nasal cavity. (ii) Crude survival and(B )tu m or-free su rvival. T he solid curve is for a ll

    cases, the interrupted curve is for the histologicgroup s an d the vertica l bars represent 95 pe rcen t confidence interva l. SC= squam ous cell car-

    cin om a, u ngrad ed . SC I, II and III = squamous

    cell carc inom a, G rades I, II and III. A napl.=anaplastic carc inom a.

    tam ed (Table iv ). In late stages (S tageiii

    an d Iv com bined) w hich received rad iation ,

    surg ical and com bined treatm ents, the

    year survivals were: 25, 50, and per cent,

    respectively. S ixteen cases(2 8 per cent)

    show ed either failu re of response (4 cases)

    o r r ec ur re nc es i 2 cases) after the initial

    t reatment . Fo ur o f the recurrent cases de-

    veloped regional lym ph node m etastases

    an d 2 of them distan t m etastases. E ighty

    per cent o f the recurrences appeared w ith in

    the first year after treatm ent. The m ean re-

    currence tim e w as 10 m onths. The per-

    sisten t cases and o f the recurrences fol-

    low ed radiation treatm ent, w hile3 recur-

    rences appeared after surgery , and after

    the com bined treatm ent. A ll the persisten t

    and recurren t lesions occurred in the pa-

    tients w ith an in itial advanced tum or of

    Stages H I and Iv. R ecurrences after in itial

    su rg ical or com bined surgery and irradi-

    ation w ere treated by irradiation. Four of

    the persisten t and recurrent tum ors fo llow -

    ing initial irradiation w ere re-irrad iated and

    the rem ain ing 5 received surgical treat-

    ment .

    T he final assessm ent of tum or status

    show ed year cure in40 cases and failu re

    in 17 cases. The failures include 9 patients

    w ith local tum or, 4 w ith m etastases, i with

    both , and 3 of unknow n status.

    DISCUSSION

    T he concepts of treatm ent of nasal can-

    ce r differ in the various pub lished studies

    and change from tim e to tim e in the sam e

    clinic.39 Irrad iation , alone, w as the pri-

    m ary m ethod of treatm ent in som e series,59

    w hile com bined rad iation and surg ical

    treatm ent was advocated in m any

    others.35#{176}25 Treatm ent was essentia lly

    surgical in som e clinics367 and either surg i-

    cal o r radio therapeutic , depending on the

    radiosensitivity and extent of tum or, in

    others.48 The w ide variations in the re-ported results can be ascribed to the m an-

    ner in w hich the various au thors selected

    cases for treatm ent and to the type of sub-

    sequent analysis.

    The treatm ent m ethods used in th is

    series depended on the site , ex tent and the

    histo logy of tum or. R adiation therapy w as

    the m ost com m only used technique in both

    early and advanced tum ors including m any

    epiderm oid carcinom as and adenocarci-

    nom as and all anaplastic and lym phoepithe..

    hal carcinom as. Surgery w as used prin-

    cipally in som e of the early cases and in tu-m ors w ith bone and cartilage involvem ent

    and in a few locally extensive tum ors , in-

    c luding squam ous cell carc inom as, adeno-

    carcinom as and m ixed salivary tum ors.

    C om bined treatm ent w as selected in ad-

    vanced lesions of any histologic group.

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    V O L . io6, No. Treatm ent of C ancer of the N asal C av ity 82 9

    In the rad iation treatm ent, radium ther-

    apy was selected for sm all accessible

    lesions; external rad iotherapy for larger and

    less accessible tum ors; and radium plus

    ex ternal irradiation in m ore ex tensive dis-.ease. External irrad iation w as com m only

    used as it is m ore flexible and satisfactory.

    Parker advocated external roen tgen ther-

    apy in all his cases. Radium plus external

    rad iotherapy w as preferred by D evineet

    al.2 in nasal and ethm oidal cancer to

    achieve a hom ogeneous high le thal tum or

    dose. H ow ever, using supervo ltage and

    cobalt 6o radiation, w e can deliver a rad ical

    tum or dose w ithout the com plications pre-

    viously reported after conventional rad io-

    therapy.3 M inor early and la te radia tion

    sequelae w ere reported in som e of the casesbu t no m ajor com plications w ere seen in

    this series.

    C onservative surgery plus irradiation

    w as advocated by O liver,0 w hile m ore ag-

    gressive surgical procedures have been used

    by Frazell and Lew is.3 In our cases, se lec-

    tion ofsim ple or radical surgical procedures

    depended on the site and extension of the

    tumor.

    B ecause the ex ten t of involvem ent, site

    and histology of tum ors are im portant fac-

    tors in determ ining survival; these facto rs

    w ill be discussed before the evaluation ofthe treatm ent results. Tum or w ith exten-

    sion outside the nasal cav ity has a poor

    prognosis.5 90 This is seen in the low survi-

    val rates in the advanced stages of th is S e-

    ries. R oen tgeno log ic ev idence of bone de-

    struction w as considered an unfavorab le

    facto r in cancer of the nose and paranasal

    sinuses.0 H ow ever, Larsson and M artens-

    son5 found no great difference betw een the

    resu lts in cases w ith or w ithout bone de-

    struction. In this study, the cases with evi-

    den t bone destruction and extranasal ex-

    tension had a shorter survival in all treat-

    m ent groups. In cases w ith tum ors lim ited

    to the naval cavity, p resence or absence of

    roen tgeno log ic evidence of bone involve-

    m ent produced no difference in the results.

    The presence of lym ph node m etastases

    (relatively uncom m on in this series,14 per

    cent) w as associated w ith poor prognosis in

    th is m aterial and in o thers.59

    The location of the tum or has been re-

    ported to be of param ount im portance.#{176}

    T um ors of the upper and posterior part of

    the nasal reg ion w ere reported to have a

    poor prognosis due to their early infiltra-

    tion.5 The influence of a particu lar site w as

    reported to depend on the ease w ith w hich

    the tum or can ex tend to a surrounding vital

    s t ructure ; e.g., tumors of the olfactory re-

    gion m ay extend to the ethm oids, orbits

    and base of the skull, w hile those of the

    posterior choana spread to the nasophar-

    ynx.8 In th is m aterial, allow ing for all o ther

    possible prognostic facto rs, no difference

    ex isted betw een the resu lts in tum ors of

    various anatom ic sites.A nother prognostic facto r is the h isto -

    log ic type. Larsson and M tensson ,5 and

    M acC om b and M artin9 reported bad prog-

    nosis in the undifferentia ted carcinom as

    and the adenocarcinom as. O n the other

    hand, O liver0 stated that the type of can-

    cer does not appear to alter the prognosis.

    T his series show ed a h igher survival rate

    in the differentia ted squam ous cell car-

    c inom as than in adenocarcinom as. The un-

    differen tiated and anaplastic carcinom as

    had the low est survival ra te .

    The reported resu lts o f surgery versusradiotherapy in m any publications can not

    be considered as criteria for com paring

    their respective effectiveness, as surgery

    w as m ainly used in early operable cases,

    w hile rad iation therapy w as lim ited to pal-

    lia tion in inoperable advanced tum ors and

    residual or recurrent disease .347 N o sta-

    tistical d ifference w as found am ong the

    over-a ll results of the3 m ain m ethods to

    trea tm ent in this series. H ow ever, the

    analysis of the results in each stage show ed

    som e poin ts of in terest. In the early m u-

    cosal lesions, both irrad iation and surgery

    gave equally good resu lts. In tum ors w ith

    b o n e or cartilage invo lvem ent or lym ph

    node m etastases the com bined and surgical

    m ethods apparently y ielded better results.

    Frazell and Lew is3 using irradiation in a

    secondary role in res idual or recurrent tu-

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    83 0 A. 0 . B a d i b , S . S . K u ro ha ra , J. H. W ebster and D . P . Sh ed d A U G U S T, 1969

    m ors, reported I 8 per cent cure rate after

    irradia tion and 6 per cent after surgery.

    W hen com paring their resu lts in the surgical

    group w ith the results in this series in the

    radiotherapeutic group, no difference in the

    survival rates can be detected . A lso, the

    results in their radiotherapeutic group are

    com parable to our resu lts in the advanced

    cases. H endrick4 reported 8 cases of nasal

    carcinoma; 4 early, trea ted by surgery w ith

    4- 7 year survival; and 4 advanced, trea ted

    by irradia tion w ith 1- 3 year survival. In

    the series of M acC om b and M artin9 8

    patients survived out of35 patients w ith

    nasal carcinom as treated by irrad iation ,

    surgery or com bined m ethods.

    Favorable results after radiation treat-

    m ent of m alignant tum ors of the nasal fossaw ere reported by Parker. Ini 2 patients,

    he reported a 67 per cent con trol rate at3-10 years using external rad iotherapy in

    all the cases.

    S U M M A RY

    F ifty-seven cases of can cer ofthe nasal

    cavity w ere treated initially by irradia tion

    (30 cases), surgery (1 3 cases) and com binedirradia tion and surgery (14 cases). Irradi-

    ation w as given using radium techniques in

    sm all accessible lesions, external radia tion

    therapy in less accessible tum ors, and ex-ternal rad iation therapy plus radium in

    m ore extensive disease . External radiation

    therap y is the technique com m only used

    and w as considered m ore flexib le and satis-

    factory . Sim ple or radical surgical proce-

    dures were selected according to the site

    and extent o f tum or. In the com bined

    treatm ent, surgery w as ord inarily follow ed

    by irradiation in the treatm ent of locally

    advanced tum or.

    The degree of extension and the histo logy

    of tum or w ere the m ost significant prog-

    nostic factors. Early w ell differentia ted

    squam ous cell carcinom as have the bestprognosis. The 5 year surv ival in the w hole

    series w as 6 per cent. In the early tum ors,radiotherapy and surgery gave equally good

    results. In tum ors with bone or cartilage

    i n va s io n o r ly mp h n od e metastases,

    50 p e r c en t y ea r su rv iv a l fo l l o we d th e

    c om b in ed a nd s u r g i c a l t r ea tm e n t .

    A . 0. B adib , M .D .

    Roswell Park M em oria l Institute

    666 Elm StreetBuffa lo, New Y ork14203

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